PIC32MK0512MCF064 CAN1 registers

The 97 registers of CAN1 (CAN 1), from 0xBF880000, with their reset value and every field. The PIC32MK0512MCF064 has 1844 registers in 120 peripherals, one page each.

Most PIC32 SFRs have three more registers right after them: CLR at +4, SET at +8 and INV at +C (T1CONCLR, T1CONSET, T1CONINV), which clear, set or flip just the bits written as 1, in one write.

CAN1 CAN 1

C1CONCAN Module Control Register

Address
0xBF880000
Reset
0x04800000
Access
read/write
Size
32-bit
8 fields
FieldBitsWhat it does
ABAT27Abort All Pending Transmissions bit
  • 0 Module will clear this bit when all transmissions aborted
  • 1 Signal all transmit buffers to abort transmission
REQOP26:24Request Operation Mode bits
  • 0 Set Normal Operation mode
  • 1 Set Disable mode
  • 2 Set Loopback mode
  • 3 Set Listen Only mode
  • 4 Set Configuration mode
  • 5 Reserved - Do not use
  • 6 Reserved - Do not use
  • 7 Set Listen All Messages mode
OPMOD23:21Operation Mode Status bits
  • 0 Module is in Normal Operation mode
  • 1 Module is in Disable mode
  • 2 Module is in Loopback mode
  • 3 Module is in Listen Only mode
  • 4 Module is in Configuration mode
  • 5 Reserved
  • 6 Reserved
  • 7 Module is in Listen All Messages mode
CANCAP20CAN Message Receive Time Stamp Timer Capture Enable bit
  • 0 Disable CAN message receive time stamp timer capture and stop CANTMR to conserve power
  • 16 CANTMR value is stored on valid message reception and is stored with the message
ON15CAN On bit
  • 0 CAN module is disabled
  • 1 CAN module is enabled
SIDL13CAN Stop in Idle bit
CANBUSY11CAN Module is Busy bit
  • 0 The CAN module is completely disabled
  • 1 The CAN module is active
DNCNT4:0Device Net Filter Bit Number bits

C1CFGCAN Baud Rate Configuration Register

Address
0xBF880010
Reset
0x00000000
Access
read/write
Size
32-bit
8 fields
FieldBitsWhat it does
WAKFIL22CAN Bus Line Filter Enable bit
  • 0 CAN bus line filter is not used for wake-up
  • 1 Use CAN bus line filter for wake-up
SEG2PH18:16Phase Buffer Segment 2 bits
  • 0 Length is 1 x Tq
  • 7 Length is 8 x Tq
SEG2PHTS15Phase Segment 2 Time Select bit
  • 0 Maximum of SEG1PH or Information Processing Time
  • 1 Freely programmable
SAM14Sample of the CAN Bus Line bit
  • 0 Bus line is sampled once at the sample point
  • 1 Bus line is sampled three times at the sample point
SEG1PH13:11Phase Buffer Segment 1 bits
  • 0 Length is 1 x Tq
  • 7 Length is 8 x Tq
PRSEG10:8Propagation Time Segment bits
  • 0 Length is 1 x Tq
  • 7 Length is 8 x Tq
SJW7:6Synchronization Jump Width bits
  • 0 Length is 1 x Tq
  • 1 Length is 2 x Tq
  • 2 Length is 3 x Tq
  • 3 Length is 4 x Tq
BRP5:0Baud Rate Prescaler bits
  • 0 Tq = (2 x 1)/Tpbclk5
  • 1 Tq = (2 x 2)/Tpbclk5
  • 62 Tq = (2 x 63)/Tpbclk5
  • 63 Tq = (2 x 64)/Tpbclk5

C1INTCAN Interrupt Register

Address
0xBF880020
Reset
0x00000000
Access
read/write
Size
32-bit
18 fields
FieldBitsWhat it does
WAKIE30CAN Bus Activity Wake-up Interrupt Enable bit
  • 0 Interrupt request is not enabled
  • 1 Interrupt request is enabled
CERRIE29CAN Bus Error Interrupt Enable bit
  • 0 Interrupt request is not enabled
  • 1 Interrupt request is enabled
SERRIE28System Error Interrupt Enable bit
  • 0 Interrupt request is not enabled
  • 1 Interrupt request is enabled
RBOVIE27Receive Buffer Overflow Interrupt Enable bit
  • 0 Interrupt request is not enabled
  • 1 Interrupt request is enabled
MODIE19Mode Change Interrupt Enable bit
  • 0 Interrupt request is not enabled
  • 1 Interrupt request is enabled
CTMRIE18CAN Timestamp Timer Interrupt Enable bit
  • 0 Interrupt request is not enabled
  • 1 Interrupt request is enabled
RBIE17Receive Buffer Interrupt Enable bit
  • 0 Interrupt request is not enabled
  • 1 Interrupt request is enabled
TBIE16Transmit Buffer Interrupt Enable bit
  • 0 Interrupt request is not enabled
  • 1 Interrupt request is enabled
IVRIF15Invalid Message Received Interrupt Flag bit
  • 0 An invalid message interrupt has not occurred
  • 1 An invalid messages interrupt has occurred
WAKIF14CAN Bus Activity Wake-up Interrupt Flag bit
  • 0 A bus wake-up activity interrupt has not occurred
  • 1 A bus wake-up activity interrupt has occurred
CERRIF13CAN Bus Error Interrupt Flag bit
  • 0 A CAN bus error has not occurred
  • 1 A CAN bus error has occurred
SERRIF12System Error Interrupt Flag bit
  • 0 A system error has not occurred
  • 1 A system error occurred (typically an illegal address was presented to the System Bus)
RBOVIF11Receive Buffer Overflow Interrupt Flag bit
  • 0 A receive buffer overflow has not occurred
  • 1 A receive buffer overflow has occurred
MODIF3CAN Mode Change Interrupt Flag bit
  • 0 A CAN module mode change has not occurred
  • 1 A CAN module mode change has occurred (OPMOD has changed to reflect REQOP)
CTMRIF2CAN Timer Overflow Interrupt Flag bit
  • 0 A CAN timer (CANTMR) overflow has not occurred
  • 1 A CAN timer (CANTMR) overflow has occurred
RBIF1Receive Buffer Interrupt Flag bit
  • 0 A receive buffer interrupt is not pending
  • 1 A receive buffer interrupt is pending
TBIF0Transmit Buffer Interrupt Flag bit
  • 0 A transmit buffer interrupt is not pending
  • 1 A transmit buffer interrupt is pending
IVRIE31Invalid Message Received Interrupt Enable bit
  • 0 Interrupt request is not enabled
  • 1 Interrupt request is enabled

C1VECCAN Interrupt Code Register

Address
0xBF880030
Reset
0x00000040
Access
read only
Size
32-bit
2 fields
FieldBitsWhat it does
FILHIT12:8Filter Hit Number bit
  • 0 Filter 0
  • 1 Filter 1
  • 30 Filter 30
  • 31 Filter 31
ICODE6:0Interrupt Flag Code bits

C1TRECCAN Transmit/Receive Error Count Register

Address
0xBF880040
Reset
0x00000000
Access
read only
Size
32-bit
8 fields
FieldBitsWhat it does
TXBO21
TXBP20
RXBP19
TXWARN18
RXWARN17
EWARN16
TERRCNT15:8
RERRCNT7:0

C1FSTATCAN FIFO Status Register

Address
0xBF880050
Reset
0x00000000
Access
read only
Size
32-bit
1 field
FieldBitsWhat it does
FIFOIP15:0FIFOx Interrupt Pending bits
  • 0 No FIFO interrupts are pending
  • 1 One or more enabled FIFO interrupts are pending

C1RXOVFCAN Receive FIFO Overflow Status Register

Address
0xBF880060
Reset
0x00000000
Access
read only
Size
32-bit
1 field
FieldBitsWhat it does
RXOVF15:0FIFOx Receive Overflow Interrupt Pending bit
  • 0 FIFO has not overflowed
  • 1 FIFO has overflowed

C1TMRCAN Timer Register

Address
0xBF880070
Reset
0x00000000
Access
read/write
Size
32-bit
2 fields
FieldBitsWhat it does
CANTSPRE15:0CAN Time Stamp Timer Prescaler bits
  • -1 CAN time stamp timer (CANTS) increments every 65,535 system clocks
  • 0 CAN time stamp timer (CANTS) increments every system clock
CANTS31:16

C1RXM0CAN Acceptance Filter Mask

Address
0xBF880080
Reset
0x00000000
Access
read/write
Size
32-bit
3 fields
FieldBitsWhat it does
MIDE19Identifier Receive Mode bit
  • 0 Match either standard or extended address message if filters match (that is, if (Filter SID) = (Message SID) or if (FILTER SID/EID) = (Message SID/EID))
  • 1 Match only message types (standard/extended address) that correspond to the EXID bit in filter
EID17:0Extended Identifier bits
  • 0 Bit EIDx is dont care in filter operation
  • 1 Include bit, EIDx, in filter comparison
SID31:21Standard Identifier bits
  • 0 Bit SIDx is dont care in filter operation
  • 1 Include bit, SIDx, in filter comparison

C1RXM1CAN Acceptance Filter Mask

Address
0xBF880090
Reset
0x00000000
Access
read/write
Size
32-bit
3 fields
FieldBitsWhat it does
MIDE19Identifier Receive Mode bit
  • 0 Match either standard or extended address message if filters match (that is, if (Filter SID) = (Message SID) or if (FILTER SID/EID) = (Message SID/EID))
  • 1 Match only message types (standard/extended address) that correspond to the EXID bit in filter
EID17:0Extended Identifier bits
  • 0 Bit EIDx is dont care in filter operation
  • 1 Include bit, EIDx, in filter comparison
SID31:21Standard Identifier bits
  • 0 Bit SIDx is dont care in filter operation
  • 1 Include bit, SIDx, in filter comparison

C1RXM2CAN Acceptance Filter Mask

Address
0xBF8800A0
Reset
0x00000000
Access
read/write
Size
32-bit
3 fields
FieldBitsWhat it does
MIDE19Identifier Receive Mode bit
  • 0 Match either standard or extended address message if filters match (that is, if (Filter SID) = (Message SID) or if (FILTER SID/EID) = (Message SID/EID))
  • 1 Match only message types (standard/extended address) that correspond to the EXID bit in filter
EID17:0Extended Identifier bits
  • 0 Bit EIDx is dont care in filter operation
  • 1 Include bit, EIDx, in filter comparison
SID31:21Standard Identifier bits
  • 0 Bit SIDx is dont care in filter operation
  • 1 Include bit, SIDx, in filter comparison

C1RXM3CAN Acceptance Filter Mask

Address
0xBF8800B0
Reset
0x00000000
Access
read/write
Size
32-bit
3 fields
FieldBitsWhat it does
MIDE19Identifier Receive Mode bit
  • 0 Match either standard or extended address message if filters match (that is, if (Filter SID) = (Message SID) or if (FILTER SID/EID) = (Message SID/EID))
  • 1 Match only message types (standard/extended address) that correspond to the EXID bit in filter
EID17:0Extended Identifier bits
  • 0 Bit EIDx is dont care in filter operation
  • 1 Include bit, EIDx, in filter comparison
SID31:21Standard Identifier bits
  • 0 Bit SIDx is dont care in filter operation
  • 1 Include bit, SIDx, in filter comparison

C1FLTCON0CAN Filter Control Register 0

Address
0xBF8800C0
Reset
0x00000000
Access
read/write
Size
32-bit
12 fields
FieldBitsWhat it does
MSEL330:29Filter 3 Mask Select bits
  • 0 Acceptance Mask 0 selected
  • 1 Acceptance Mask 1 selected
  • 2 Acceptance Mask 2 selected
  • 3 Acceptance Mask 3 selected
FSEL328:24FIFO Selection bits
  • 0 Message matching filter is stored in FIFO buffer 0
  • 1 Message matching filter is stored in FIFO buffer 1
  • 2 Message matching filter is stored in FIFO buffer 2
  • 3 Message matching filter is stored in FIFO buffer 3
  • 4 Message matching filter is stored in FIFO buffer 4
  • 5 Message matching filter is stored in FIFO buffer 5
  • 6 Message matching filter is stored in FIFO buffer 6
  • 7 Message matching filter is stored in FIFO buffer 7
  • 8 Message matching filter is stored in FIFO buffer 8
  • 9 Message matching filter is stored in FIFO buffer 9
  • 10 Message matching filter is stored in FIFO buffer 10
  • 11 Message matching filter is stored in FIFO buffer 11
  • 12 Message matching filter is stored in FIFO buffer 12
  • 13 Message matching filter is stored in FIFO buffer 13
  • 14 Message matching filter is stored in FIFO buffer 14
  • 15 Message matching filter is stored in FIFO buffer 15
FLTEN223Filter 2 Enable bit
  • 0 Filter is disabled
  • 1 Filter is enabled
MSEL222:21Filter 2 Mask Select bits
  • 0 Acceptance Mask 0 selected
  • 1 Acceptance Mask 1 selected
  • 2 Acceptance Mask 2 selected
  • 3 Acceptance Mask 3 selected
FSEL220:16FIFO Selection bits
  • 0 Message matching filter is stored in FIFO buffer 0
  • 1 Message matching filter is stored in FIFO buffer 1
  • 2 Message matching filter is stored in FIFO buffer 2
  • 3 Message matching filter is stored in FIFO buffer 3
  • 4 Message matching filter is stored in FIFO buffer 4
  • 5 Message matching filter is stored in FIFO buffer 5
  • 6 Message matching filter is stored in FIFO buffer 6
  • 7 Message matching filter is stored in FIFO buffer 7
  • 8 Message matching filter is stored in FIFO buffer 8
  • 9 Message matching filter is stored in FIFO buffer 9
  • 10 Message matching filter is stored in FIFO buffer 10
  • 11 Message matching filter is stored in FIFO buffer 11
  • 12 Message matching filter is stored in FIFO buffer 12
  • 13 Message matching filter is stored in FIFO buffer 13
  • 14 Message matching filter is stored in FIFO buffer 14
  • 15 Message matching filter is stored in FIFO buffer 15
FLTEN115Filter 1 Enable bit
  • 0 Filter is disabled
  • 1 Filter is enabled
MSEL114:13Filter 1 Mask Select bits
  • 0 Acceptance Mask 0 selected
  • 1 Acceptance Mask 1 selected
  • 2 Acceptance Mask 2 selected
  • 3 Acceptance Mask 3 selected
FSEL112:8FIFO Selection bits
  • 0 Message matching filter is stored in FIFO buffer 0
  • 1 Message matching filter is stored in FIFO buffer 1
  • 2 Message matching filter is stored in FIFO buffer 2
  • 3 Message matching filter is stored in FIFO buffer 3
  • 4 Message matching filter is stored in FIFO buffer 4
  • 5 Message matching filter is stored in FIFO buffer 5
  • 6 Message matching filter is stored in FIFO buffer 6
  • 7 Message matching filter is stored in FIFO buffer 7
  • 8 Message matching filter is stored in FIFO buffer 8
  • 9 Message matching filter is stored in FIFO buffer 9
  • 10 Message matching filter is stored in FIFO buffer 10
  • 11 Message matching filter is stored in FIFO buffer 11
  • 12 Message matching filter is stored in FIFO buffer 12
  • 13 Message matching filter is stored in FIFO buffer 13
  • 14 Message matching filter is stored in FIFO buffer 14
  • 15 Message matching filter is stored in FIFO buffer 15
FLTEN07Filter 0 Enable bit
  • 0 Filter is disabled
  • 1 Filter is enabled
MSEL06:5Filter 0 Mask Select bits
  • 0 Acceptance Mask 0 selected
  • 1 Acceptance Mask 1 selected
  • 2 Acceptance Mask 2 selected
  • 3 Acceptance Mask 3 selected
FSEL04:0FIFO Selection bits
  • 0 Message matching filter is stored in FIFO buffer 0
  • 1 Message matching filter is stored in FIFO buffer 1
  • 2 Message matching filter is stored in FIFO buffer 2
  • 3 Message matching filter is stored in FIFO buffer 3
  • 4 Message matching filter is stored in FIFO buffer 4
  • 5 Message matching filter is stored in FIFO buffer 5
  • 6 Message matching filter is stored in FIFO buffer 6
  • 7 Message matching filter is stored in FIFO buffer 7
  • 8 Message matching filter is stored in FIFO buffer 8
  • 9 Message matching filter is stored in FIFO buffer 9
  • 10 Message matching filter is stored in FIFO buffer 10
  • 11 Message matching filter is stored in FIFO buffer 11
  • 12 Message matching filter is stored in FIFO buffer 12
  • 13 Message matching filter is stored in FIFO buffer 13
  • 14 Message matching filter is stored in FIFO buffer 14
  • 15 Message matching filter is stored in FIFO buffer 15
FLTEN331Filter 3 Enable bit
  • 0 Filter is disabled
  • 1 Filter is enabled

C1FLTCON1CAN Filter Control Register 1

Address
0xBF8800D0
Reset
0x00000000
Access
read/write
Size
32-bit
12 fields
FieldBitsWhat it does
MSEL730:29Filter 7 Mask Select bits
  • 0 Acceptance Mask 0 selected
  • 1 Acceptance Mask 1 selected
  • 2 Acceptance Mask 2 selected
  • 3 Acceptance Mask 3 selected
FSEL728:24FIFO Selection bits
  • 0 Message matching filter is stored in FIFO buffer 0
  • 1 Message matching filter is stored in FIFO buffer 1
  • 2 Message matching filter is stored in FIFO buffer 2
  • 3 Message matching filter is stored in FIFO buffer 3
  • 4 Message matching filter is stored in FIFO buffer 4
  • 5 Message matching filter is stored in FIFO buffer 5
  • 6 Message matching filter is stored in FIFO buffer 6
  • 7 Message matching filter is stored in FIFO buffer 7
  • 8 Message matching filter is stored in FIFO buffer 8
  • 9 Message matching filter is stored in FIFO buffer 9
  • 10 Message matching filter is stored in FIFO buffer 10
  • 11 Message matching filter is stored in FIFO buffer 11
  • 12 Message matching filter is stored in FIFO buffer 12
  • 13 Message matching filter is stored in FIFO buffer 13
  • 14 Message matching filter is stored in FIFO buffer 14
  • 15 Message matching filter is stored in FIFO buffer 15
FLTEN623Filter 6 Enable bit
  • 0 Filter is disabled
  • 1 Filter is enabled
MSEL622:21Filter 6 Mask Select bits
  • 0 Acceptance Mask 0 selected
  • 1 Acceptance Mask 1 selected
  • 2 Acceptance Mask 2 selected
  • 3 Acceptance Mask 3 selected
FSEL620:16FIFO Selection bits
  • 0 Message matching filter is stored in FIFO buffer 0
  • 1 Message matching filter is stored in FIFO buffer 1
  • 2 Message matching filter is stored in FIFO buffer 2
  • 3 Message matching filter is stored in FIFO buffer 3
  • 4 Message matching filter is stored in FIFO buffer 4
  • 5 Message matching filter is stored in FIFO buffer 5
  • 6 Message matching filter is stored in FIFO buffer 6
  • 7 Message matching filter is stored in FIFO buffer 7
  • 8 Message matching filter is stored in FIFO buffer 8
  • 9 Message matching filter is stored in FIFO buffer 9
  • 10 Message matching filter is stored in FIFO buffer 10
  • 11 Message matching filter is stored in FIFO buffer 11
  • 12 Message matching filter is stored in FIFO buffer 12
  • 13 Message matching filter is stored in FIFO buffer 13
  • 14 Message matching filter is stored in FIFO buffer 14
  • 15 Message matching filter is stored in FIFO buffer 15
FLTEN515Filter 17 Enable bit
  • 0 Filter is disabled
  • 1 Filter is enabled
MSEL514:13Filter 5 Mask Select bits
  • 0 Acceptance Mask 0 selected
  • 1 Acceptance Mask 1 selected
  • 2 Acceptance Mask 2 selected
  • 3 Acceptance Mask 3 selected
FSEL512:8FIFO Selection bits
  • 0 Message matching filter is stored in FIFO buffer 0
  • 1 Message matching filter is stored in FIFO buffer 1
  • 2 Message matching filter is stored in FIFO buffer 2
  • 3 Message matching filter is stored in FIFO buffer 3
  • 4 Message matching filter is stored in FIFO buffer 4
  • 5 Message matching filter is stored in FIFO buffer 5
  • 6 Message matching filter is stored in FIFO buffer 6
  • 7 Message matching filter is stored in FIFO buffer 7
  • 8 Message matching filter is stored in FIFO buffer 8
  • 9 Message matching filter is stored in FIFO buffer 9
  • 10 Message matching filter is stored in FIFO buffer 10
  • 11 Message matching filter is stored in FIFO buffer 11
  • 12 Message matching filter is stored in FIFO buffer 12
  • 13 Message matching filter is stored in FIFO buffer 13
  • 14 Message matching filter is stored in FIFO buffer 14
  • 15 Message matching filter is stored in FIFO buffer 15
FLTEN47Filter 4 Enable bit
  • 0 Filter is disabled
  • 1 Filter is enabled
MSEL46:5Filter 4 Mask Select bits
  • 0 Acceptance Mask 0 selected
  • 1 Acceptance Mask 1 selected
  • 2 Acceptance Mask 2 selected
  • 3 Acceptance Mask 3 selected
FSEL44:0FIFO Selection bits
  • 0 Message matching filter is stored in FIFO buffer 0
  • 1 Message matching filter is stored in FIFO buffer 1
  • 2 Message matching filter is stored in FIFO buffer 2
  • 3 Message matching filter is stored in FIFO buffer 3
  • 4 Message matching filter is stored in FIFO buffer 4
  • 5 Message matching filter is stored in FIFO buffer 5
  • 6 Message matching filter is stored in FIFO buffer 6
  • 7 Message matching filter is stored in FIFO buffer 7
  • 8 Message matching filter is stored in FIFO buffer 8
  • 9 Message matching filter is stored in FIFO buffer 9
  • 10 Message matching filter is stored in FIFO buffer 10
  • 11 Message matching filter is stored in FIFO buffer 11
  • 12 Message matching filter is stored in FIFO buffer 12
  • 13 Message matching filter is stored in FIFO buffer 13
  • 14 Message matching filter is stored in FIFO buffer 14
  • 15 Message matching filter is stored in FIFO buffer 15
FLTEN731Filter 7 Enable bit
  • 0 Filter is disabled
  • 1 Filter is enabled

C1FLTCON2CAN Filter Control Register 2

Address
0xBF8800E0
Reset
0x00000000
Access
read/write
Size
32-bit
12 fields
FieldBitsWhat it does
MSEL1130:29Filter 11 Mask Select bits
  • 0 Acceptance Mask 0 selected
  • 1 Acceptance Mask 1 selected
  • 2 Acceptance Mask 2 selected
  • 3 Acceptance Mask 3 selected
FSEL1128:24FIFO Selection bits
  • 0 Message matching filter is stored in FIFO buffer 0
  • 1 Message matching filter is stored in FIFO buffer 1
  • 2 Message matching filter is stored in FIFO buffer 2
  • 3 Message matching filter is stored in FIFO buffer 3
  • 4 Message matching filter is stored in FIFO buffer 4
  • 5 Message matching filter is stored in FIFO buffer 5
  • 6 Message matching filter is stored in FIFO buffer 6
  • 7 Message matching filter is stored in FIFO buffer 7
  • 8 Message matching filter is stored in FIFO buffer 8
  • 9 Message matching filter is stored in FIFO buffer 9
  • 10 Message matching filter is stored in FIFO buffer 10
  • 11 Message matching filter is stored in FIFO buffer 11
  • 12 Message matching filter is stored in FIFO buffer 12
  • 13 Message matching filter is stored in FIFO buffer 13
  • 14 Message matching filter is stored in FIFO buffer 14
  • 15 Message matching filter is stored in FIFO buffer 15
FLTEN1023Filter 10 Enable bit
  • 0 Filter is disabled
  • 1 Filter is enabled
MSEL1022:21Filter 10 Mask Select bits
  • 0 Acceptance Mask 0 selected
  • 1 Acceptance Mask 1 selected
  • 2 Acceptance Mask 2 selected
  • 3 Acceptance Mask 3 selected
FSEL1020:16FIFO Selection bits
  • 0 Message matching filter is stored in FIFO buffer 0
  • 1 Message matching filter is stored in FIFO buffer 1
  • 2 Message matching filter is stored in FIFO buffer 2
  • 3 Message matching filter is stored in FIFO buffer 3
  • 4 Message matching filter is stored in FIFO buffer 4
  • 5 Message matching filter is stored in FIFO buffer 5
  • 6 Message matching filter is stored in FIFO buffer 6
  • 7 Message matching filter is stored in FIFO buffer 7
  • 8 Message matching filter is stored in FIFO buffer 8
  • 9 Message matching filter is stored in FIFO buffer 9
  • 10 Message matching filter is stored in FIFO buffer 10
  • 11 Message matching filter is stored in FIFO buffer 11
  • 12 Message matching filter is stored in FIFO buffer 12
  • 13 Message matching filter is stored in FIFO buffer 13
  • 14 Message matching filter is stored in FIFO buffer 14
  • 15 Message matching filter is stored in FIFO buffer 15
FLTEN915Filter 9 Enable bit
  • 0 Filter is disabled
  • 1 Filter is enabled
MSEL914:13Filter 9 Mask Select bits
  • 0 Acceptance Mask 0 selected
  • 1 Acceptance Mask 1 selected
  • 2 Acceptance Mask 2 selected
  • 3 Acceptance Mask 3 selected
FSEL912:8FIFO Selection bits
  • 0 Message matching filter is stored in FIFO buffer 0
  • 1 Message matching filter is stored in FIFO buffer 1
  • 2 Message matching filter is stored in FIFO buffer 2
  • 3 Message matching filter is stored in FIFO buffer 3
  • 4 Message matching filter is stored in FIFO buffer 4
  • 5 Message matching filter is stored in FIFO buffer 5
  • 6 Message matching filter is stored in FIFO buffer 6
  • 7 Message matching filter is stored in FIFO buffer 7
  • 8 Message matching filter is stored in FIFO buffer 8
  • 9 Message matching filter is stored in FIFO buffer 9
  • 10 Message matching filter is stored in FIFO buffer 10
  • 11 Message matching filter is stored in FIFO buffer 11
  • 12 Message matching filter is stored in FIFO buffer 12
  • 13 Message matching filter is stored in FIFO buffer 13
  • 14 Message matching filter is stored in FIFO buffer 14
  • 15 Message matching filter is stored in FIFO buffer 15
FLTEN87Filter 8 Enable bit
  • 0 Filter is disabled
  • 1 Filter is enabled
MSEL86:5Filter 8 Mask Select bits
  • 0 Acceptance Mask 0 selected
  • 1 Acceptance Mask 1 selected
  • 2 Acceptance Mask 2 selected
  • 3 Acceptance Mask 3 selected
FSEL84:0FIFO Selection bits
  • 0 Message matching filter is stored in FIFO buffer 0
  • 1 Message matching filter is stored in FIFO buffer 1
  • 2 Message matching filter is stored in FIFO buffer 2
  • 3 Message matching filter is stored in FIFO buffer 3
  • 4 Message matching filter is stored in FIFO buffer 4
  • 5 Message matching filter is stored in FIFO buffer 5
  • 6 Message matching filter is stored in FIFO buffer 6
  • 7 Message matching filter is stored in FIFO buffer 7
  • 8 Message matching filter is stored in FIFO buffer 8
  • 9 Message matching filter is stored in FIFO buffer 9
  • 10 Message matching filter is stored in FIFO buffer 10
  • 11 Message matching filter is stored in FIFO buffer 11
  • 12 Message matching filter is stored in FIFO buffer 12
  • 13 Message matching filter is stored in FIFO buffer 13
  • 14 Message matching filter is stored in FIFO buffer 14
  • 15 Message matching filter is stored in FIFO buffer 15
FLTEN1131Filter 11 Enable bit
  • 0 Filter is disabled
  • 1 Filter is enabled

C1FLTCON3CAN Filter Control Register 3

Address
0xBF8800F0
Reset
0x00000000
Access
read/write
Size
32-bit
12 fields
FieldBitsWhat it does
MSEL1530:29Filter 15 Mask Select bits
  • 0 Acceptance Mask 0 selected
  • 1 Acceptance Mask 1 selected
  • 2 Acceptance Mask 2 selected
  • 3 Acceptance Mask 3 selected
FSEL1528:24FIFO Selection bits
  • 0 Message matching filter is stored in FIFO buffer 0
  • 1 Message matching filter is stored in FIFO buffer 1
  • 2 Message matching filter is stored in FIFO buffer 2
  • 3 Message matching filter is stored in FIFO buffer 3
  • 4 Message matching filter is stored in FIFO buffer 4
  • 5 Message matching filter is stored in FIFO buffer 5
  • 6 Message matching filter is stored in FIFO buffer 6
  • 7 Message matching filter is stored in FIFO buffer 7
  • 8 Message matching filter is stored in FIFO buffer 8
  • 9 Message matching filter is stored in FIFO buffer 9
  • 10 Message matching filter is stored in FIFO buffer 10
  • 11 Message matching filter is stored in FIFO buffer 11
  • 12 Message matching filter is stored in FIFO buffer 12
  • 13 Message matching filter is stored in FIFO buffer 13
  • 14 Message matching filter is stored in FIFO buffer 14
  • 15 Message matching filter is stored in FIFO buffer 15
FLTEN1423Filter 14 Enable bit
  • 0 Filter is disabled
  • 1 Filter is enabled
MSEL1422:21Filter 14 Mask Select bits
  • 0 Acceptance Mask 0 selected
  • 1 Acceptance Mask 1 selected
  • 2 Acceptance Mask 2 selected
  • 3 Acceptance Mask 3 selected
FSEL1420:16FIFO Selection bits
  • 0 Message matching filter is stored in FIFO buffer 0
  • 1 Message matching filter is stored in FIFO buffer 1
  • 2 Message matching filter is stored in FIFO buffer 2
  • 3 Message matching filter is stored in FIFO buffer 3
  • 4 Message matching filter is stored in FIFO buffer 4
  • 5 Message matching filter is stored in FIFO buffer 5
  • 6 Message matching filter is stored in FIFO buffer 6
  • 7 Message matching filter is stored in FIFO buffer 7
  • 8 Message matching filter is stored in FIFO buffer 8
  • 9 Message matching filter is stored in FIFO buffer 9
  • 10 Message matching filter is stored in FIFO buffer 10
  • 11 Message matching filter is stored in FIFO buffer 11
  • 12 Message matching filter is stored in FIFO buffer 12
  • 13 Message matching filter is stored in FIFO buffer 13
  • 14 Message matching filter is stored in FIFO buffer 14
  • 15 Message matching filter is stored in FIFO buffer 15
FLTEN1315Filter 13 Enable bit
  • 0 Filter is disabled
  • 1 Filter is enabled
MSEL1314:13Filter 13 Mask Select bits
  • 0 Acceptance Mask 0 selected
  • 1 Acceptance Mask 1 selected
  • 2 Acceptance Mask 2 selected
  • 3 Acceptance Mask 3 selected
FSEL1312:8FIFO Selection bits
  • 0 Message matching filter is stored in FIFO buffer 0
  • 1 Message matching filter is stored in FIFO buffer 1
  • 2 Message matching filter is stored in FIFO buffer 2
  • 3 Message matching filter is stored in FIFO buffer 3
  • 4 Message matching filter is stored in FIFO buffer 4
  • 5 Message matching filter is stored in FIFO buffer 5
  • 6 Message matching filter is stored in FIFO buffer 6
  • 7 Message matching filter is stored in FIFO buffer 7
  • 8 Message matching filter is stored in FIFO buffer 8
  • 9 Message matching filter is stored in FIFO buffer 9
  • 10 Message matching filter is stored in FIFO buffer 10
  • 11 Message matching filter is stored in FIFO buffer 11
  • 12 Message matching filter is stored in FIFO buffer 12
  • 13 Message matching filter is stored in FIFO buffer 13
  • 14 Message matching filter is stored in FIFO buffer 14
  • 15 Message matching filter is stored in FIFO buffer 15
FLTEN127Filter 12 Enable bit
  • 0 Filter is disabled
  • 1 Filter is enabled
MSEL126:5Filter 12 Mask Select bits
  • 0 Acceptance Mask 0 selected
  • 1 Acceptance Mask 1 selected
  • 2 Acceptance Mask 2 selected
  • 3 Acceptance Mask 3 selected
FSEL124:0FIFO Selection bits
  • 0 Message matching filter is stored in FIFO buffer 0
  • 1 Message matching filter is stored in FIFO buffer 1
  • 2 Message matching filter is stored in FIFO buffer 2
  • 3 Message matching filter is stored in FIFO buffer 3
  • 4 Message matching filter is stored in FIFO buffer 4
  • 5 Message matching filter is stored in FIFO buffer 5
  • 6 Message matching filter is stored in FIFO buffer 6
  • 7 Message matching filter is stored in FIFO buffer 7
  • 8 Message matching filter is stored in FIFO buffer 8
  • 9 Message matching filter is stored in FIFO buffer 9
  • 10 Message matching filter is stored in FIFO buffer 10
  • 11 Message matching filter is stored in FIFO buffer 11
  • 12 Message matching filter is stored in FIFO buffer 12
  • 13 Message matching filter is stored in FIFO buffer 13
  • 14 Message matching filter is stored in FIFO buffer 14
  • 15 Message matching filter is stored in FIFO buffer 15
FLTEN1531Filter 15 Enable bit
  • 0 Filter is disabled
  • 1 Filter is enabled

C1RXF0CAN Acceptance Filter

Address
0xBF880140
Reset
0x00000000
Access
read/write
Size
32-bit
3 fields
FieldBitsWhat it does
EXID19Extended Identifier Enable bits
  • 0 Match only messages with standard identifier addresses
  • 1 Match only messages with extended identifier addresses
EID17:0Extended Identifier bits
  • 0 Message address bit EIDx must be 0 to match filter
  • 1 Message address bit EIDx must be 1 to match filter
SID31:21Standard Identifier bits
  • 0 Message address bit SIDx must be 0 to match filter
  • 1 Message address bit SIDx must be 1 to match filter

C1RXF1CAN Acceptance Filter

Address
0xBF880150
Reset
0x00000000
Access
read/write
Size
32-bit
3 fields
FieldBitsWhat it does
EXID19Extended Identifier Enable bits
  • 0 Match only messages with standard identifier addresses
  • 1 Match only messages with extended identifier addresses
EID17:0Extended Identifier bits
  • 0 Message address bit EIDx must be 0 to match filter
  • 1 Message address bit EIDx must be 1 to match filter
SID31:21Standard Identifier bits
  • 0 Message address bit SIDx must be 0 to match filter
  • 1 Message address bit SIDx must be 1 to match filter

C1RXF2CAN Acceptance Filter

Address
0xBF880160
Reset
0x00000000
Access
read/write
Size
32-bit
3 fields
FieldBitsWhat it does
EXID19Extended Identifier Enable bits
  • 0 Match only messages with standard identifier addresses
  • 1 Match only messages with extended identifier addresses
EID17:0Extended Identifier bits
  • 0 Message address bit EIDx must be 0 to match filter
  • 1 Message address bit EIDx must be 1 to match filter
SID31:21Standard Identifier bits
  • 0 Message address bit SIDx must be 0 to match filter
  • 1 Message address bit SIDx must be 1 to match filter

C1RXF3CAN Acceptance Filter

Address
0xBF880170
Reset
0x00000000
Access
read/write
Size
32-bit
3 fields
FieldBitsWhat it does
EXID19Extended Identifier Enable bits
  • 0 Match only messages with standard identifier addresses
  • 1 Match only messages with extended identifier addresses
EID17:0Extended Identifier bits
  • 0 Message address bit EIDx must be 0 to match filter
  • 1 Message address bit EIDx must be 1 to match filter
SID31:21Standard Identifier bits
  • 0 Message address bit SIDx must be 0 to match filter
  • 1 Message address bit SIDx must be 1 to match filter

C1RXF4CAN Acceptance Filter

Address
0xBF880180
Reset
0x00000000
Access
read/write
Size
32-bit
3 fields
FieldBitsWhat it does
EXID19Extended Identifier Enable bits
  • 0 Match only messages with standard identifier addresses
  • 1 Match only messages with extended identifier addresses
EID17:0Extended Identifier bits
  • 0 Message address bit EIDx must be 0 to match filter
  • 1 Message address bit EIDx must be 1 to match filter
SID31:21Standard Identifier bits
  • 0 Message address bit SIDx must be 0 to match filter
  • 1 Message address bit SIDx must be 1 to match filter

C1RXF5CAN Acceptance Filter

Address
0xBF880190
Reset
0x00000000
Access
read/write
Size
32-bit
3 fields
FieldBitsWhat it does
EXID19Extended Identifier Enable bits
  • 0 Match only messages with standard identifier addresses
  • 1 Match only messages with extended identifier addresses
EID17:0Extended Identifier bits
  • 0 Message address bit EIDx must be 0 to match filter
  • 1 Message address bit EIDx must be 1 to match filter
SID31:21Standard Identifier bits
  • 0 Message address bit SIDx must be 0 to match filter
  • 1 Message address bit SIDx must be 1 to match filter

C1RXF6CAN Acceptance Filter

Address
0xBF8801A0
Reset
0x00000000
Access
read/write
Size
32-bit
3 fields
FieldBitsWhat it does
EXID19Extended Identifier Enable bits
  • 0 Match only messages with standard identifier addresses
  • 1 Match only messages with extended identifier addresses
EID17:0Extended Identifier bits
  • 0 Message address bit EIDx must be 0 to match filter
  • 1 Message address bit EIDx must be 1 to match filter
SID31:21Standard Identifier bits
  • 0 Message address bit SIDx must be 0 to match filter
  • 1 Message address bit SIDx must be 1 to match filter

C1RXF7CAN Acceptance Filter

Address
0xBF8801B0
Reset
0x00000000
Access
read/write
Size
32-bit
3 fields
FieldBitsWhat it does
EXID19Extended Identifier Enable bits
  • 0 Match only messages with standard identifier addresses
  • 1 Match only messages with extended identifier addresses
EID17:0Extended Identifier bits
  • 0 Message address bit EIDx must be 0 to match filter
  • 1 Message address bit EIDx must be 1 to match filter
SID31:21Standard Identifier bits
  • 0 Message address bit SIDx must be 0 to match filter
  • 1 Message address bit SIDx must be 1 to match filter

C1RXF8CAN Acceptance Filter

Address
0xBF8801C0
Reset
0x00000000
Access
read/write
Size
32-bit
3 fields
FieldBitsWhat it does
EXID19Extended Identifier Enable bits
  • 0 Match only messages with standard identifier addresses
  • 1 Match only messages with extended identifier addresses
EID17:0Extended Identifier bits
  • 0 Message address bit EIDx must be 0 to match filter
  • 1 Message address bit EIDx must be 1 to match filter
SID31:21Standard Identifier bits
  • 0 Message address bit SIDx must be 0 to match filter
  • 1 Message address bit SIDx must be 1 to match filter

C1RXF9CAN Acceptance Filter

Address
0xBF8801D0
Reset
0x00000000
Access
read/write
Size
32-bit
3 fields
FieldBitsWhat it does
EXID19Extended Identifier Enable bits
  • 0 Match only messages with standard identifier addresses
  • 1 Match only messages with extended identifier addresses
EID17:0Extended Identifier bits
  • 0 Message address bit EIDx must be 0 to match filter
  • 1 Message address bit EIDx must be 1 to match filter
SID31:21Standard Identifier bits
  • 0 Message address bit SIDx must be 0 to match filter
  • 1 Message address bit SIDx must be 1 to match filter

C1RXF10CAN Acceptance Filter

Address
0xBF8801E0
Reset
0x00000000
Access
read/write
Size
32-bit
3 fields
FieldBitsWhat it does
EXID19Extended Identifier Enable bits
  • 0 Match only messages with standard identifier addresses
  • 1 Match only messages with extended identifier addresses
EID17:0Extended Identifier bits
  • 0 Message address bit EIDx must be 0 to match filter
  • 1 Message address bit EIDx must be 1 to match filter
SID31:21Standard Identifier bits
  • 0 Message address bit SIDx must be 0 to match filter
  • 1 Message address bit SIDx must be 1 to match filter

C1RXF11CAN Acceptance Filter

Address
0xBF8801F0
Reset
0x00000000
Access
read/write
Size
32-bit
3 fields
FieldBitsWhat it does
EXID19Extended Identifier Enable bits
  • 0 Match only messages with standard identifier addresses
  • 1 Match only messages with extended identifier addresses
EID17:0Extended Identifier bits
  • 0 Message address bit EIDx must be 0 to match filter
  • 1 Message address bit EIDx must be 1 to match filter
SID31:21Standard Identifier bits
  • 0 Message address bit SIDx must be 0 to match filter
  • 1 Message address bit SIDx must be 1 to match filter

C1RXF12CAN Acceptance Filter

Address
0xBF880200
Reset
0x00000000
Access
read/write
Size
32-bit
3 fields
FieldBitsWhat it does
EXID19Extended Identifier Enable bits
  • 0 Match only messages with standard identifier addresses
  • 1 Match only messages with extended identifier addresses
EID17:0Extended Identifier bits
  • 0 Message address bit EIDx must be 0 to match filter
  • 1 Message address bit EIDx must be 1 to match filter
SID31:21Standard Identifier bits
  • 0 Message address bit SIDx must be 0 to match filter
  • 1 Message address bit SIDx must be 1 to match filter

C1RXF13CAN Acceptance Filter

Address
0xBF880210
Reset
0x00000000
Access
read/write
Size
32-bit
3 fields
FieldBitsWhat it does
EXID19Extended Identifier Enable bits
  • 0 Match only messages with standard identifier addresses
  • 1 Match only messages with extended identifier addresses
EID17:0Extended Identifier bits
  • 0 Message address bit EIDx must be 0 to match filter
  • 1 Message address bit EIDx must be 1 to match filter
SID31:21Standard Identifier bits
  • 0 Message address bit SIDx must be 0 to match filter
  • 1 Message address bit SIDx must be 1 to match filter

C1RXF14CAN Acceptance Filter

Address
0xBF880220
Reset
0x00000000
Access
read/write
Size
32-bit
3 fields
FieldBitsWhat it does
EXID19Extended Identifier Enable bits
  • 0 Match only messages with standard identifier addresses
  • 1 Match only messages with extended identifier addresses
EID17:0Extended Identifier bits
  • 0 Message address bit EIDx must be 0 to match filter
  • 1 Message address bit EIDx must be 1 to match filter
SID31:21Standard Identifier bits
  • 0 Message address bit SIDx must be 0 to match filter
  • 1 Message address bit SIDx must be 1 to match filter

C1RXF15CAN Acceptance Filter

Address
0xBF880230
Reset
0x00000000
Access
read/write
Size
32-bit
3 fields
FieldBitsWhat it does
EXID19Extended Identifier Enable bits
  • 0 Match only messages with standard identifier addresses
  • 1 Match only messages with extended identifier addresses
EID17:0Extended Identifier bits
  • 0 Message address bit EIDx must be 0 to match filter
  • 1 Message address bit EIDx must be 1 to match filter
SID31:21Standard Identifier bits
  • 0 Message address bit SIDx must be 0 to match filter
  • 1 Message address bit SIDx must be 1 to match filter

C1FIFOBACAN Message Buffer Base Address Register

Address
0xBF880340
Reset
0x00000000
Access
read/write
Size
32-bit

C1FIFOCON0CAN FIFO Control Register

Address
0xBF880350
Reset
0x00000000
Access
read/write
Size
32-bit
11 fields
FieldBitsWhat it does
FSIZE20:16FIFO Size bits
  • 0 FIFO is 1 message deep
  • 1 FIFO is 2 messages deep
  • 2 FIFO is 3 messages deep
  • 31 FIFO is 32 messages deep
FRESET14FIFO Reset bits
  • 0 No effect
  • 1 FIFO will be reset when bit is set, cleared by hardware when FIFO is reset. After setting, the user application should poll whether this bit is clear before taking any action
UINC13Increment Head/Tail bit
  • 0 1: (FIFO configured as a Transmit FIFO) When this bit is set, the FIFO head will increment by a single message
  • 0 0: (FIFO configured as a Receive FIFO) When this bit is set, the FIFO tail will increment by a single message
DONLY12Store Message Data Only bit
  • 0 1: (FIFO configured as a Transmit FIFO) This bit is not used and has no effect.
  • 0 0: (FIFO configured as a Receive FIFO) 1 = Only data bytes will be stored in the FIFO, 0 = Full message is stored, including identifier
TXEN7TX/RX Buffer Selection bit
  • 0 FIFO is a Receive FIFO
  • 1 FIFO is a Transmit FIFO
TXABAT6Message Aborted bit
  • 0 Message completed successfully
  • 1 Message was aborted
TXLARB5Message Lost Arbitration bit
  • 0 Message did not lose arbitration while being sent
  • 1 Message lost arbitration while being sent
TXERR4Error Detected During Transmission bit
  • 0 A bus error did not occur while the message was being sent
  • 1 A bus error occurred while the message was being sent
TXREQ3Message Send Request
  • 0 1: (FIFO configured as a Transmit FIFO) Setting this bit to 1 requests sending a message. The bit will automatically clear when all the messages queued in the FIFO are successfully sent. Clearing the bit to 0 while set will request a message abort.
  • 0 0: (FIFO configured as a Receive FIFO) This bit has no effect.
RTREN2Auto RTR Enable bit
  • 0 When a remote transmit is received, TXREQ will be unaffected
  • 1 When a remote transmit is received, TXREQ will be set
TXPRI1:0Message Transmit Priority bits
  • 0 Lowest Message Priority
  • 1 Low Intermediate Message Priority
  • 2 High Intermediate Message Priority
  • 3 Highest Message Priority

C1FIFOINT0CAN FIFO Interrupt Register

Address
0xBF880360
Reset
0x00000000
Access
read/write
Size
32-bit
14 fields
FieldBitsWhat it does
TXNFULLIE26Transmit FIFO Not Full Interrupt Enable bit
  • 0 Interrupt disabled for FIFO not full
  • 1 Interrupt enabled for FIFO not full
TXHALFIE25Transmit FIFO Half Full Interrupt Enable bit
  • 0 Interrupt disabled for FIFO half full
  • 1 Interrupt enabled for FIFO half full
TXEMPTYIE24Transmit FIFO Empty Interrupt Enable bit
  • 0 Interrupt disabled for FIFO empty
  • 1 Interrupt enabled for FIFO empty
RXOVFLIE19Overflow Interrupt Enable bit
  • 0 Interrupt disabled for overflow event
  • 1 Interrupt enabled for overflow event
RXFULLIE18Full Interrupt Enable bit
  • 0 Interrupt disabled for FIFO full
  • 1 Interrupt enabled for FIFO full
RXHALFIE17FIFO Half Full Interrupt Enable bit
  • 0 Interrupt disabled for FIFO half full
  • 1 Interrupt enabled for FIFO half full
RXNEMPTYIE16Empty Interrupt Enable bit
  • 0 Interrupt disabled for FIFO not empty
  • 1 Interrupt enabled for FIFO not empty
TXNFULLIF10Transmit FIFO Not Full Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) 1 = FIFO is not full, 0 = FIFO is full
  • 0 0: (FIFO configured as a Receive Buffer) Unused, reads 0
TXHALFIF9FIFO Transmit FIFO Half Empty Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) 1 = FIFO is ? half full, 0 = FIFO is > half full
  • 0 0: (FIFO configured as a Receive Buffer) Unused, reads 0
TXEMPTYIF8Transmit FIFO Empty Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) 1 = FIFO is empty, 0 = FIFO is not empty, at least 1 message queued to be transmitted
  • 0 0: (FIFO configured as a Receive Buffer) Unused, reads 0
RXOVFLIF3Receive FIFO Overflow Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) Unused, reads 0
  • 0 0: (FIFO configured as a Receive Buffer) 1 = Overflow event has occurred, 0 = No overflow event occurred
RXFULLIF2Receive FIFO Full Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) Unused, reads 0
  • 0 0: (FIFO configured as a Receive Buffer) 1 = FIFO is full, 0 = FIFO is not full
RXHALFIF1Receive FIFO Half Full Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) Unused, reads 0
  • 0 0: (FIFO configured as a Receive Buffer) 1 = FIFO is ? half full, 0 = FIFO is < half full
RXNEMPTYIF0Receive Buffer Not Empty Interrupt Flag bit
  • 0 0: (FIFO configured as a Receive Buffer) 1 = FIFO is not empty, has at least 1 message, 0 = FIFO is empty
  • 1 1: (FIFO configured as a Transmit Buffer) Unused, reads 0

C1FIFOUA0CAN FIFO User Address Register

Address
0xBF880370
Reset
0x00000000
Access
read only
Size
32-bit

C1FIFOCI0CAN Module Message Index Register

Address
0xBF880380
Reset
0x00000000
Access
read only
Size
32-bit
1 field
FieldBitsWhat it does
CFIFOCI4:0

C1FIFOCON1CAN FIFO Control Register

Address
0xBF880390
Reset
0x00000000
Access
read/write
Size
32-bit
11 fields
FieldBitsWhat it does
FSIZE20:16FIFO Size bits
  • 0 FIFO is 1 message deep
  • 1 FIFO is 2 messages deep
  • 2 FIFO is 3 messages deep
  • 31 FIFO is 32 messages deep
FRESET14FIFO Reset bits
  • 0 No effect
  • 1 FIFO will be reset when bit is set, cleared by hardware when FIFO is reset. After setting, the user application should poll whether this bit is clear before taking any action
UINC13Increment Head/Tail bit
  • 0 1: (FIFO configured as a Transmit FIFO) When this bit is set, the FIFO head will increment by a single message
  • 0 0: (FIFO configured as a Receive FIFO) When this bit is set, the FIFO tail will increment by a single message
DONLY12Store Message Data Only bit
  • 0 1: (FIFO configured as a Transmit FIFO) This bit is not used and has no effect.
  • 0 0: (FIFO configured as a Receive FIFO) 1 = Only data bytes will be stored in the FIFO, 0 = Full message is stored, including identifier
TXEN7TX/RX Buffer Selection bit
  • 0 FIFO is a Receive FIFO
  • 1 FIFO is a Transmit FIFO
TXABAT6Message Aborted bit
  • 0 Message completed successfully
  • 1 Message was aborted
TXLARB5Message Lost Arbitration bit
  • 0 Message did not lose arbitration while being sent
  • 1 Message lost arbitration while being sent
TXERR4Error Detected During Transmission bit
  • 0 A bus error did not occur while the message was being sent
  • 1 A bus error occurred while the message was being sent
TXREQ3Message Send Request
  • 0 1: (FIFO configured as a Transmit FIFO) Setting this bit to 1 requests sending a message. The bit will automatically clear when all the messages queued in the FIFO are successfully sent. Clearing the bit to 0 while set will request a message abort.
  • 0 0: (FIFO configured as a Receive FIFO) This bit has no effect.
RTREN2Auto RTR Enable bit
  • 0 When a remote transmit is received, TXREQ will be unaffected
  • 1 When a remote transmit is received, TXREQ will be set
TXPRI1:0Message Transmit Priority bits
  • 0 Lowest Message Priority
  • 1 Low Intermediate Message Priority
  • 2 High Intermediate Message Priority
  • 3 Highest Message Priority

C1FIFOINT1CAN FIFO Interrupt Register

Address
0xBF8803A0
Reset
0x00000000
Access
read/write
Size
32-bit
14 fields
FieldBitsWhat it does
TXNFULLIE26Transmit FIFO Not Full Interrupt Enable bit
  • 0 Interrupt disabled for FIFO not full
  • 1 Interrupt enabled for FIFO not full
TXHALFIE25Transmit FIFO Half Full Interrupt Enable bit
  • 0 Interrupt disabled for FIFO half full
  • 1 Interrupt enabled for FIFO half full
TXEMPTYIE24Transmit FIFO Empty Interrupt Enable bit
  • 0 Interrupt disabled for FIFO empty
  • 1 Interrupt enabled for FIFO empty
RXOVFLIE19Overflow Interrupt Enable bit
  • 0 Interrupt disabled for overflow event
  • 1 Interrupt enabled for overflow event
RXFULLIE18Full Interrupt Enable bit
  • 0 Interrupt disabled for FIFO full
  • 1 Interrupt enabled for FIFO full
RXHALFIE17FIFO Half Full Interrupt Enable bit
  • 0 Interrupt disabled for FIFO half full
  • 1 Interrupt enabled for FIFO half full
RXNEMPTYIE16Empty Interrupt Enable bit
  • 0 Interrupt disabled for FIFO not empty
  • 1 Interrupt enabled for FIFO not empty
TXNFULLIF10Transmit FIFO Not Full Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) 1 = FIFO is not full, 0 = FIFO is full
  • 0 0: (FIFO configured as a Receive Buffer) Unused, reads 0
TXHALFIF9FIFO Transmit FIFO Half Empty Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) 1 = FIFO is ? half full, 0 = FIFO is > half full
  • 0 0: (FIFO configured as a Receive Buffer) Unused, reads 0
TXEMPTYIF8Transmit FIFO Empty Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) 1 = FIFO is empty, 0 = FIFO is not empty, at least 1 message queued to be transmitted
  • 0 0: (FIFO configured as a Receive Buffer) Unused, reads 0
RXOVFLIF3Receive FIFO Overflow Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) Unused, reads 0
  • 0 0: (FIFO configured as a Receive Buffer) 1 = Overflow event has occurred, 0 = No overflow event occurred
RXFULLIF2Receive FIFO Full Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) Unused, reads 0
  • 0 0: (FIFO configured as a Receive Buffer) 1 = FIFO is full, 0 = FIFO is not full
RXHALFIF1Receive FIFO Half Full Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) Unused, reads 0
  • 0 0: (FIFO configured as a Receive Buffer) 1 = FIFO is ? half full, 0 = FIFO is < half full
RXNEMPTYIF0Receive Buffer Not Empty Interrupt Flag bit
  • 0 0: (FIFO configured as a Receive Buffer) 1 = FIFO is not empty, has at least 1 message, 0 = FIFO is empty
  • 1 1: (FIFO configured as a Transmit Buffer) Unused, reads 0

C1FIFOUA1CAN FIFO User Address Register

Address
0xBF8803B0
Reset
0x00000000
Access
read only
Size
32-bit

C1FIFOCI1CAN Module Message Index Register

Address
0xBF8803C0
Reset
0x00000000
Access
read only
Size
32-bit
1 field
FieldBitsWhat it does
CFIFOCI4:0

C1FIFOCON2CAN FIFO Control Register

Address
0xBF8803D0
Reset
0x00000000
Access
read/write
Size
32-bit
11 fields
FieldBitsWhat it does
FSIZE20:16FIFO Size bits
  • 0 FIFO is 1 message deep
  • 1 FIFO is 2 messages deep
  • 2 FIFO is 3 messages deep
  • 31 FIFO is 32 messages deep
FRESET14FIFO Reset bits
  • 0 No effect
  • 1 FIFO will be reset when bit is set, cleared by hardware when FIFO is reset. After setting, the user application should poll whether this bit is clear before taking any action
UINC13Increment Head/Tail bit
  • 0 1: (FIFO configured as a Transmit FIFO) When this bit is set, the FIFO head will increment by a single message
  • 0 0: (FIFO configured as a Receive FIFO) When this bit is set, the FIFO tail will increment by a single message
DONLY12Store Message Data Only bit
  • 0 1: (FIFO configured as a Transmit FIFO) This bit is not used and has no effect.
  • 0 0: (FIFO configured as a Receive FIFO) 1 = Only data bytes will be stored in the FIFO, 0 = Full message is stored, including identifier
TXEN7TX/RX Buffer Selection bit
  • 0 FIFO is a Receive FIFO
  • 1 FIFO is a Transmit FIFO
TXABAT6Message Aborted bit
  • 0 Message completed successfully
  • 1 Message was aborted
TXLARB5Message Lost Arbitration bit
  • 0 Message did not lose arbitration while being sent
  • 1 Message lost arbitration while being sent
TXERR4Error Detected During Transmission bit
  • 0 A bus error did not occur while the message was being sent
  • 1 A bus error occurred while the message was being sent
TXREQ3Message Send Request
  • 0 1: (FIFO configured as a Transmit FIFO) Setting this bit to 1 requests sending a message. The bit will automatically clear when all the messages queued in the FIFO are successfully sent. Clearing the bit to 0 while set will request a message abort.
  • 0 0: (FIFO configured as a Receive FIFO) This bit has no effect.
RTREN2Auto RTR Enable bit
  • 0 When a remote transmit is received, TXREQ will be unaffected
  • 1 When a remote transmit is received, TXREQ will be set
TXPRI1:0Message Transmit Priority bits
  • 0 Lowest Message Priority
  • 1 Low Intermediate Message Priority
  • 2 High Intermediate Message Priority
  • 3 Highest Message Priority

C1FIFOINT2CAN FIFO Interrupt Register

Address
0xBF8803E0
Reset
0x00000000
Access
read/write
Size
32-bit
14 fields
FieldBitsWhat it does
TXNFULLIE26Transmit FIFO Not Full Interrupt Enable bit
  • 0 Interrupt disabled for FIFO not full
  • 1 Interrupt enabled for FIFO not full
TXHALFIE25Transmit FIFO Half Full Interrupt Enable bit
  • 0 Interrupt disabled for FIFO half full
  • 1 Interrupt enabled for FIFO half full
TXEMPTYIE24Transmit FIFO Empty Interrupt Enable bit
  • 0 Interrupt disabled for FIFO empty
  • 1 Interrupt enabled for FIFO empty
RXOVFLIE19Overflow Interrupt Enable bit
  • 0 Interrupt disabled for overflow event
  • 1 Interrupt enabled for overflow event
RXFULLIE18Full Interrupt Enable bit
  • 0 Interrupt disabled for FIFO full
  • 1 Interrupt enabled for FIFO full
RXHALFIE17FIFO Half Full Interrupt Enable bit
  • 0 Interrupt disabled for FIFO half full
  • 1 Interrupt enabled for FIFO half full
RXNEMPTYIE16Empty Interrupt Enable bit
  • 0 Interrupt disabled for FIFO not empty
  • 1 Interrupt enabled for FIFO not empty
TXNFULLIF10Transmit FIFO Not Full Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) 1 = FIFO is not full, 0 = FIFO is full
  • 0 0: (FIFO configured as a Receive Buffer) Unused, reads 0
TXHALFIF9FIFO Transmit FIFO Half Empty Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) 1 = FIFO is ? half full, 0 = FIFO is > half full
  • 0 0: (FIFO configured as a Receive Buffer) Unused, reads 0
TXEMPTYIF8Transmit FIFO Empty Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) 1 = FIFO is empty, 0 = FIFO is not empty, at least 1 message queued to be transmitted
  • 0 0: (FIFO configured as a Receive Buffer) Unused, reads 0
RXOVFLIF3Receive FIFO Overflow Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) Unused, reads 0
  • 0 0: (FIFO configured as a Receive Buffer) 1 = Overflow event has occurred, 0 = No overflow event occurred
RXFULLIF2Receive FIFO Full Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) Unused, reads 0
  • 0 0: (FIFO configured as a Receive Buffer) 1 = FIFO is full, 0 = FIFO is not full
RXHALFIF1Receive FIFO Half Full Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) Unused, reads 0
  • 0 0: (FIFO configured as a Receive Buffer) 1 = FIFO is ? half full, 0 = FIFO is < half full
RXNEMPTYIF0Receive Buffer Not Empty Interrupt Flag bit
  • 0 0: (FIFO configured as a Receive Buffer) 1 = FIFO is not empty, has at least 1 message, 0 = FIFO is empty
  • 1 1: (FIFO configured as a Transmit Buffer) Unused, reads 0

C1FIFOUA2CAN FIFO User Address Register

Address
0xBF8803F0
Reset
0x00000000
Access
read only
Size
32-bit

C1FIFOCI2CAN Module Message Index Register

Address
0xBF880400
Reset
0x00000000
Access
read only
Size
32-bit
1 field
FieldBitsWhat it does
CFIFOCI4:0

C1FIFOCON3CAN FIFO Control Register

Address
0xBF880410
Reset
0x00000000
Access
read/write
Size
32-bit
11 fields
FieldBitsWhat it does
FSIZE20:16FIFO Size bits
  • 0 FIFO is 1 message deep
  • 1 FIFO is 2 messages deep
  • 2 FIFO is 3 messages deep
  • 31 FIFO is 32 messages deep
FRESET14FIFO Reset bits
  • 0 No effect
  • 1 FIFO will be reset when bit is set, cleared by hardware when FIFO is reset. After setting, the user application should poll whether this bit is clear before taking any action
UINC13Increment Head/Tail bit
  • 0 1: (FIFO configured as a Transmit FIFO) When this bit is set, the FIFO head will increment by a single message
  • 0 0: (FIFO configured as a Receive FIFO) When this bit is set, the FIFO tail will increment by a single message
DONLY12Store Message Data Only bit
  • 0 1: (FIFO configured as a Transmit FIFO) This bit is not used and has no effect.
  • 0 0: (FIFO configured as a Receive FIFO) 1 = Only data bytes will be stored in the FIFO, 0 = Full message is stored, including identifier
TXEN7TX/RX Buffer Selection bit
  • 0 FIFO is a Receive FIFO
  • 1 FIFO is a Transmit FIFO
TXABAT6Message Aborted bit
  • 0 Message completed successfully
  • 1 Message was aborted
TXLARB5Message Lost Arbitration bit
  • 0 Message did not lose arbitration while being sent
  • 1 Message lost arbitration while being sent
TXERR4Error Detected During Transmission bit
  • 0 A bus error did not occur while the message was being sent
  • 1 A bus error occurred while the message was being sent
TXREQ3Message Send Request
  • 0 1: (FIFO configured as a Transmit FIFO) Setting this bit to 1 requests sending a message. The bit will automatically clear when all the messages queued in the FIFO are successfully sent. Clearing the bit to 0 while set will request a message abort.
  • 0 0: (FIFO configured as a Receive FIFO) This bit has no effect.
RTREN2Auto RTR Enable bit
  • 0 When a remote transmit is received, TXREQ will be unaffected
  • 1 When a remote transmit is received, TXREQ will be set
TXPRI1:0Message Transmit Priority bits
  • 0 Lowest Message Priority
  • 1 Low Intermediate Message Priority
  • 2 High Intermediate Message Priority
  • 3 Highest Message Priority

C1FIFOINT3CAN FIFO Interrupt Register

Address
0xBF880420
Reset
0x00000000
Access
read/write
Size
32-bit
14 fields
FieldBitsWhat it does
TXNFULLIE26Transmit FIFO Not Full Interrupt Enable bit
  • 0 Interrupt disabled for FIFO not full
  • 1 Interrupt enabled for FIFO not full
TXHALFIE25Transmit FIFO Half Full Interrupt Enable bit
  • 0 Interrupt disabled for FIFO half full
  • 1 Interrupt enabled for FIFO half full
TXEMPTYIE24Transmit FIFO Empty Interrupt Enable bit
  • 0 Interrupt disabled for FIFO empty
  • 1 Interrupt enabled for FIFO empty
RXOVFLIE19Overflow Interrupt Enable bit
  • 0 Interrupt disabled for overflow event
  • 1 Interrupt enabled for overflow event
RXFULLIE18Full Interrupt Enable bit
  • 0 Interrupt disabled for FIFO full
  • 1 Interrupt enabled for FIFO full
RXHALFIE17FIFO Half Full Interrupt Enable bit
  • 0 Interrupt disabled for FIFO half full
  • 1 Interrupt enabled for FIFO half full
RXNEMPTYIE16Empty Interrupt Enable bit
  • 0 Interrupt disabled for FIFO not empty
  • 1 Interrupt enabled for FIFO not empty
TXNFULLIF10Transmit FIFO Not Full Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) 1 = FIFO is not full, 0 = FIFO is full
  • 0 0: (FIFO configured as a Receive Buffer) Unused, reads 0
TXHALFIF9FIFO Transmit FIFO Half Empty Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) 1 = FIFO is ? half full, 0 = FIFO is > half full
  • 0 0: (FIFO configured as a Receive Buffer) Unused, reads 0
TXEMPTYIF8Transmit FIFO Empty Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) 1 = FIFO is empty, 0 = FIFO is not empty, at least 1 message queued to be transmitted
  • 0 0: (FIFO configured as a Receive Buffer) Unused, reads 0
RXOVFLIF3Receive FIFO Overflow Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) Unused, reads 0
  • 0 0: (FIFO configured as a Receive Buffer) 1 = Overflow event has occurred, 0 = No overflow event occurred
RXFULLIF2Receive FIFO Full Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) Unused, reads 0
  • 0 0: (FIFO configured as a Receive Buffer) 1 = FIFO is full, 0 = FIFO is not full
RXHALFIF1Receive FIFO Half Full Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) Unused, reads 0
  • 0 0: (FIFO configured as a Receive Buffer) 1 = FIFO is ? half full, 0 = FIFO is < half full
RXNEMPTYIF0Receive Buffer Not Empty Interrupt Flag bit
  • 0 0: (FIFO configured as a Receive Buffer) 1 = FIFO is not empty, has at least 1 message, 0 = FIFO is empty
  • 1 1: (FIFO configured as a Transmit Buffer) Unused, reads 0

C1FIFOUA3CAN FIFO User Address Register

Address
0xBF880430
Reset
0x00000000
Access
read only
Size
32-bit

C1FIFOCI3CAN Module Message Index Register

Address
0xBF880440
Reset
0x00000000
Access
read only
Size
32-bit
1 field
FieldBitsWhat it does
CFIFOCI4:0

C1FIFOCON4CAN FIFO Control Register

Address
0xBF880450
Reset
0x00000000
Access
read/write
Size
32-bit
11 fields
FieldBitsWhat it does
FSIZE20:16FIFO Size bits
  • 0 FIFO is 1 message deep
  • 1 FIFO is 2 messages deep
  • 2 FIFO is 3 messages deep
  • 31 FIFO is 32 messages deep
FRESET14FIFO Reset bits
  • 0 No effect
  • 1 FIFO will be reset when bit is set, cleared by hardware when FIFO is reset. After setting, the user application should poll whether this bit is clear before taking any action
UINC13Increment Head/Tail bit
  • 0 1: (FIFO configured as a Transmit FIFO) When this bit is set, the FIFO head will increment by a single message
  • 0 0: (FIFO configured as a Receive FIFO) When this bit is set, the FIFO tail will increment by a single message
DONLY12Store Message Data Only bit
  • 0 1: (FIFO configured as a Transmit FIFO) This bit is not used and has no effect.
  • 0 0: (FIFO configured as a Receive FIFO) 1 = Only data bytes will be stored in the FIFO, 0 = Full message is stored, including identifier
TXEN7TX/RX Buffer Selection bit
  • 0 FIFO is a Receive FIFO
  • 1 FIFO is a Transmit FIFO
TXABAT6Message Aborted bit
  • 0 Message completed successfully
  • 1 Message was aborted
TXLARB5Message Lost Arbitration bit
  • 0 Message did not lose arbitration while being sent
  • 1 Message lost arbitration while being sent
TXERR4Error Detected During Transmission bit
  • 0 A bus error did not occur while the message was being sent
  • 1 A bus error occurred while the message was being sent
TXREQ3Message Send Request
  • 0 1: (FIFO configured as a Transmit FIFO) Setting this bit to 1 requests sending a message. The bit will automatically clear when all the messages queued in the FIFO are successfully sent. Clearing the bit to 0 while set will request a message abort.
  • 0 0: (FIFO configured as a Receive FIFO) This bit has no effect.
RTREN2Auto RTR Enable bit
  • 0 When a remote transmit is received, TXREQ will be unaffected
  • 1 When a remote transmit is received, TXREQ will be set
TXPRI1:0Message Transmit Priority bits
  • 0 Lowest Message Priority
  • 1 Low Intermediate Message Priority
  • 2 High Intermediate Message Priority
  • 3 Highest Message Priority

C1FIFOINT4CAN FIFO Interrupt Register

Address
0xBF880460
Reset
0x00000000
Access
read/write
Size
32-bit
14 fields
FieldBitsWhat it does
TXNFULLIE26Transmit FIFO Not Full Interrupt Enable bit
  • 0 Interrupt disabled for FIFO not full
  • 1 Interrupt enabled for FIFO not full
TXHALFIE25Transmit FIFO Half Full Interrupt Enable bit
  • 0 Interrupt disabled for FIFO half full
  • 1 Interrupt enabled for FIFO half full
TXEMPTYIE24Transmit FIFO Empty Interrupt Enable bit
  • 0 Interrupt disabled for FIFO empty
  • 1 Interrupt enabled for FIFO empty
RXOVFLIE19Overflow Interrupt Enable bit
  • 0 Interrupt disabled for overflow event
  • 1 Interrupt enabled for overflow event
RXFULLIE18Full Interrupt Enable bit
  • 0 Interrupt disabled for FIFO full
  • 1 Interrupt enabled for FIFO full
RXHALFIE17FIFO Half Full Interrupt Enable bit
  • 0 Interrupt disabled for FIFO half full
  • 1 Interrupt enabled for FIFO half full
RXNEMPTYIE16Empty Interrupt Enable bit
  • 0 Interrupt disabled for FIFO not empty
  • 1 Interrupt enabled for FIFO not empty
TXNFULLIF10Transmit FIFO Not Full Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) 1 = FIFO is not full, 0 = FIFO is full
  • 0 0: (FIFO configured as a Receive Buffer) Unused, reads 0
TXHALFIF9FIFO Transmit FIFO Half Empty Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) 1 = FIFO is ? half full, 0 = FIFO is > half full
  • 0 0: (FIFO configured as a Receive Buffer) Unused, reads 0
TXEMPTYIF8Transmit FIFO Empty Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) 1 = FIFO is empty, 0 = FIFO is not empty, at least 1 message queued to be transmitted
  • 0 0: (FIFO configured as a Receive Buffer) Unused, reads 0
RXOVFLIF3Receive FIFO Overflow Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) Unused, reads 0
  • 0 0: (FIFO configured as a Receive Buffer) 1 = Overflow event has occurred, 0 = No overflow event occurred
RXFULLIF2Receive FIFO Full Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) Unused, reads 0
  • 0 0: (FIFO configured as a Receive Buffer) 1 = FIFO is full, 0 = FIFO is not full
RXHALFIF1Receive FIFO Half Full Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) Unused, reads 0
  • 0 0: (FIFO configured as a Receive Buffer) 1 = FIFO is ? half full, 0 = FIFO is < half full
RXNEMPTYIF0Receive Buffer Not Empty Interrupt Flag bit
  • 0 0: (FIFO configured as a Receive Buffer) 1 = FIFO is not empty, has at least 1 message, 0 = FIFO is empty
  • 1 1: (FIFO configured as a Transmit Buffer) Unused, reads 0

C1FIFOUA4CAN FIFO User Address Register

Address
0xBF880470
Reset
0x00000000
Access
read only
Size
32-bit

C1FIFOCI4CAN Module Message Index Register

Address
0xBF880480
Reset
0x00000000
Access
read only
Size
32-bit
1 field
FieldBitsWhat it does
CFIFOCI4:0

C1FIFOCON5CAN FIFO Control Register

Address
0xBF880490
Reset
0x00000000
Access
read/write
Size
32-bit
11 fields
FieldBitsWhat it does
FSIZE20:16FIFO Size bits
  • 0 FIFO is 1 message deep
  • 1 FIFO is 2 messages deep
  • 2 FIFO is 3 messages deep
  • 31 FIFO is 32 messages deep
FRESET14FIFO Reset bits
  • 0 No effect
  • 1 FIFO will be reset when bit is set, cleared by hardware when FIFO is reset. After setting, the user application should poll whether this bit is clear before taking any action
UINC13Increment Head/Tail bit
  • 0 1: (FIFO configured as a Transmit FIFO) When this bit is set, the FIFO head will increment by a single message
  • 0 0: (FIFO configured as a Receive FIFO) When this bit is set, the FIFO tail will increment by a single message
DONLY12Store Message Data Only bit
  • 0 1: (FIFO configured as a Transmit FIFO) This bit is not used and has no effect.
  • 0 0: (FIFO configured as a Receive FIFO) 1 = Only data bytes will be stored in the FIFO, 0 = Full message is stored, including identifier
TXEN7TX/RX Buffer Selection bit
  • 0 FIFO is a Receive FIFO
  • 1 FIFO is a Transmit FIFO
TXABAT6Message Aborted bit
  • 0 Message completed successfully
  • 1 Message was aborted
TXLARB5Message Lost Arbitration bit
  • 0 Message did not lose arbitration while being sent
  • 1 Message lost arbitration while being sent
TXERR4Error Detected During Transmission bit
  • 0 A bus error did not occur while the message was being sent
  • 1 A bus error occurred while the message was being sent
TXREQ3Message Send Request
  • 0 1: (FIFO configured as a Transmit FIFO) Setting this bit to 1 requests sending a message. The bit will automatically clear when all the messages queued in the FIFO are successfully sent. Clearing the bit to 0 while set will request a message abort.
  • 0 0: (FIFO configured as a Receive FIFO) This bit has no effect.
RTREN2Auto RTR Enable bit
  • 0 When a remote transmit is received, TXREQ will be unaffected
  • 1 When a remote transmit is received, TXREQ will be set
TXPRI1:0Message Transmit Priority bits
  • 0 Lowest Message Priority
  • 1 Low Intermediate Message Priority
  • 2 High Intermediate Message Priority
  • 3 Highest Message Priority

C1FIFOINT5CAN FIFO Interrupt Register

Address
0xBF8804A0
Reset
0x00000000
Access
read/write
Size
32-bit
14 fields
FieldBitsWhat it does
TXNFULLIE26Transmit FIFO Not Full Interrupt Enable bit
  • 0 Interrupt disabled for FIFO not full
  • 1 Interrupt enabled for FIFO not full
TXHALFIE25Transmit FIFO Half Full Interrupt Enable bit
  • 0 Interrupt disabled for FIFO half full
  • 1 Interrupt enabled for FIFO half full
TXEMPTYIE24Transmit FIFO Empty Interrupt Enable bit
  • 0 Interrupt disabled for FIFO empty
  • 1 Interrupt enabled for FIFO empty
RXOVFLIE19Overflow Interrupt Enable bit
  • 0 Interrupt disabled for overflow event
  • 1 Interrupt enabled for overflow event
RXFULLIE18Full Interrupt Enable bit
  • 0 Interrupt disabled for FIFO full
  • 1 Interrupt enabled for FIFO full
RXHALFIE17FIFO Half Full Interrupt Enable bit
  • 0 Interrupt disabled for FIFO half full
  • 1 Interrupt enabled for FIFO half full
RXNEMPTYIE16Empty Interrupt Enable bit
  • 0 Interrupt disabled for FIFO not empty
  • 1 Interrupt enabled for FIFO not empty
TXNFULLIF10Transmit FIFO Not Full Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) 1 = FIFO is not full, 0 = FIFO is full
  • 0 0: (FIFO configured as a Receive Buffer) Unused, reads 0
TXHALFIF9FIFO Transmit FIFO Half Empty Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) 1 = FIFO is ? half full, 0 = FIFO is > half full
  • 0 0: (FIFO configured as a Receive Buffer) Unused, reads 0
TXEMPTYIF8Transmit FIFO Empty Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) 1 = FIFO is empty, 0 = FIFO is not empty, at least 1 message queued to be transmitted
  • 0 0: (FIFO configured as a Receive Buffer) Unused, reads 0
RXOVFLIF3Receive FIFO Overflow Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) Unused, reads 0
  • 0 0: (FIFO configured as a Receive Buffer) 1 = Overflow event has occurred, 0 = No overflow event occurred
RXFULLIF2Receive FIFO Full Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) Unused, reads 0
  • 0 0: (FIFO configured as a Receive Buffer) 1 = FIFO is full, 0 = FIFO is not full
RXHALFIF1Receive FIFO Half Full Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) Unused, reads 0
  • 0 0: (FIFO configured as a Receive Buffer) 1 = FIFO is ? half full, 0 = FIFO is < half full
RXNEMPTYIF0Receive Buffer Not Empty Interrupt Flag bit
  • 0 0: (FIFO configured as a Receive Buffer) 1 = FIFO is not empty, has at least 1 message, 0 = FIFO is empty
  • 1 1: (FIFO configured as a Transmit Buffer) Unused, reads 0

C1FIFOUA5CAN FIFO User Address Register

Address
0xBF8804B0
Reset
0x00000000
Access
read only
Size
32-bit

C1FIFOCI5CAN Module Message Index Register

Address
0xBF8804C0
Reset
0x00000000
Access
read only
Size
32-bit
1 field
FieldBitsWhat it does
CFIFOCI4:0

C1FIFOCON6CAN FIFO Control Register

Address
0xBF8804D0
Reset
0x00000000
Access
read/write
Size
32-bit
11 fields
FieldBitsWhat it does
FSIZE20:16FIFO Size bits
  • 0 FIFO is 1 message deep
  • 1 FIFO is 2 messages deep
  • 2 FIFO is 3 messages deep
  • 31 FIFO is 32 messages deep
FRESET14FIFO Reset bits
  • 0 No effect
  • 1 FIFO will be reset when bit is set, cleared by hardware when FIFO is reset. After setting, the user application should poll whether this bit is clear before taking any action
UINC13Increment Head/Tail bit
  • 0 1: (FIFO configured as a Transmit FIFO) When this bit is set, the FIFO head will increment by a single message
  • 0 0: (FIFO configured as a Receive FIFO) When this bit is set, the FIFO tail will increment by a single message
DONLY12Store Message Data Only bit
  • 0 1: (FIFO configured as a Transmit FIFO) This bit is not used and has no effect.
  • 0 0: (FIFO configured as a Receive FIFO) 1 = Only data bytes will be stored in the FIFO, 0 = Full message is stored, including identifier
TXEN7TX/RX Buffer Selection bit
  • 0 FIFO is a Receive FIFO
  • 1 FIFO is a Transmit FIFO
TXABAT6Message Aborted bit
  • 0 Message completed successfully
  • 1 Message was aborted
TXLARB5Message Lost Arbitration bit
  • 0 Message did not lose arbitration while being sent
  • 1 Message lost arbitration while being sent
TXERR4Error Detected During Transmission bit
  • 0 A bus error did not occur while the message was being sent
  • 1 A bus error occurred while the message was being sent
TXREQ3Message Send Request
  • 0 1: (FIFO configured as a Transmit FIFO) Setting this bit to 1 requests sending a message. The bit will automatically clear when all the messages queued in the FIFO are successfully sent. Clearing the bit to 0 while set will request a message abort.
  • 0 0: (FIFO configured as a Receive FIFO) This bit has no effect.
RTREN2Auto RTR Enable bit
  • 0 When a remote transmit is received, TXREQ will be unaffected
  • 1 When a remote transmit is received, TXREQ will be set
TXPRI1:0Message Transmit Priority bits
  • 0 Lowest Message Priority
  • 1 Low Intermediate Message Priority
  • 2 High Intermediate Message Priority
  • 3 Highest Message Priority

C1FIFOINT6CAN FIFO Interrupt Register

Address
0xBF8804E0
Reset
0x00000000
Access
read/write
Size
32-bit
14 fields
FieldBitsWhat it does
TXNFULLIE26Transmit FIFO Not Full Interrupt Enable bit
  • 0 Interrupt disabled for FIFO not full
  • 1 Interrupt enabled for FIFO not full
TXHALFIE25Transmit FIFO Half Full Interrupt Enable bit
  • 0 Interrupt disabled for FIFO half full
  • 1 Interrupt enabled for FIFO half full
TXEMPTYIE24Transmit FIFO Empty Interrupt Enable bit
  • 0 Interrupt disabled for FIFO empty
  • 1 Interrupt enabled for FIFO empty
RXOVFLIE19Overflow Interrupt Enable bit
  • 0 Interrupt disabled for overflow event
  • 1 Interrupt enabled for overflow event
RXFULLIE18Full Interrupt Enable bit
  • 0 Interrupt disabled for FIFO full
  • 1 Interrupt enabled for FIFO full
RXHALFIE17FIFO Half Full Interrupt Enable bit
  • 0 Interrupt disabled for FIFO half full
  • 1 Interrupt enabled for FIFO half full
RXNEMPTYIE16Empty Interrupt Enable bit
  • 0 Interrupt disabled for FIFO not empty
  • 1 Interrupt enabled for FIFO not empty
TXNFULLIF10Transmit FIFO Not Full Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) 1 = FIFO is not full, 0 = FIFO is full
  • 0 0: (FIFO configured as a Receive Buffer) Unused, reads 0
TXHALFIF9FIFO Transmit FIFO Half Empty Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) 1 = FIFO is ? half full, 0 = FIFO is > half full
  • 0 0: (FIFO configured as a Receive Buffer) Unused, reads 0
TXEMPTYIF8Transmit FIFO Empty Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) 1 = FIFO is empty, 0 = FIFO is not empty, at least 1 message queued to be transmitted
  • 0 0: (FIFO configured as a Receive Buffer) Unused, reads 0
RXOVFLIF3Receive FIFO Overflow Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) Unused, reads 0
  • 0 0: (FIFO configured as a Receive Buffer) 1 = Overflow event has occurred, 0 = No overflow event occurred
RXFULLIF2Receive FIFO Full Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) Unused, reads 0
  • 0 0: (FIFO configured as a Receive Buffer) 1 = FIFO is full, 0 = FIFO is not full
RXHALFIF1Receive FIFO Half Full Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) Unused, reads 0
  • 0 0: (FIFO configured as a Receive Buffer) 1 = FIFO is ? half full, 0 = FIFO is < half full
RXNEMPTYIF0Receive Buffer Not Empty Interrupt Flag bit
  • 0 0: (FIFO configured as a Receive Buffer) 1 = FIFO is not empty, has at least 1 message, 0 = FIFO is empty
  • 1 1: (FIFO configured as a Transmit Buffer) Unused, reads 0

C1FIFOUA6CAN FIFO User Address Register

Address
0xBF8804F0
Reset
0x00000000
Access
read only
Size
32-bit

C1FIFOCI6CAN Module Message Index Register

Address
0xBF880500
Reset
0x00000000
Access
read only
Size
32-bit
1 field
FieldBitsWhat it does
CFIFOCI4:0

C1FIFOCON7CAN FIFO Control Register

Address
0xBF880510
Reset
0x00000000
Access
read/write
Size
32-bit
11 fields
FieldBitsWhat it does
FSIZE20:16FIFO Size bits
  • 0 FIFO is 1 message deep
  • 1 FIFO is 2 messages deep
  • 2 FIFO is 3 messages deep
  • 31 FIFO is 32 messages deep
FRESET14FIFO Reset bits
  • 0 No effect
  • 1 FIFO will be reset when bit is set, cleared by hardware when FIFO is reset. After setting, the user application should poll whether this bit is clear before taking any action
UINC13Increment Head/Tail bit
  • 0 1: (FIFO configured as a Transmit FIFO) When this bit is set, the FIFO head will increment by a single message
  • 0 0: (FIFO configured as a Receive FIFO) When this bit is set, the FIFO tail will increment by a single message
DONLY12Store Message Data Only bit
  • 0 1: (FIFO configured as a Transmit FIFO) This bit is not used and has no effect.
  • 0 0: (FIFO configured as a Receive FIFO) 1 = Only data bytes will be stored in the FIFO, 0 = Full message is stored, including identifier
TXEN7TX/RX Buffer Selection bit
  • 0 FIFO is a Receive FIFO
  • 1 FIFO is a Transmit FIFO
TXABAT6Message Aborted bit
  • 0 Message completed successfully
  • 1 Message was aborted
TXLARB5Message Lost Arbitration bit
  • 0 Message did not lose arbitration while being sent
  • 1 Message lost arbitration while being sent
TXERR4Error Detected During Transmission bit
  • 0 A bus error did not occur while the message was being sent
  • 1 A bus error occurred while the message was being sent
TXREQ3Message Send Request
  • 0 1: (FIFO configured as a Transmit FIFO) Setting this bit to 1 requests sending a message. The bit will automatically clear when all the messages queued in the FIFO are successfully sent. Clearing the bit to 0 while set will request a message abort.
  • 0 0: (FIFO configured as a Receive FIFO) This bit has no effect.
RTREN2Auto RTR Enable bit
  • 0 When a remote transmit is received, TXREQ will be unaffected
  • 1 When a remote transmit is received, TXREQ will be set
TXPRI1:0Message Transmit Priority bits
  • 0 Lowest Message Priority
  • 1 Low Intermediate Message Priority
  • 2 High Intermediate Message Priority
  • 3 Highest Message Priority

C1FIFOINT7CAN FIFO Interrupt Register

Address
0xBF880520
Reset
0x00000000
Access
read/write
Size
32-bit
14 fields
FieldBitsWhat it does
TXNFULLIE26Transmit FIFO Not Full Interrupt Enable bit
  • 0 Interrupt disabled for FIFO not full
  • 1 Interrupt enabled for FIFO not full
TXHALFIE25Transmit FIFO Half Full Interrupt Enable bit
  • 0 Interrupt disabled for FIFO half full
  • 1 Interrupt enabled for FIFO half full
TXEMPTYIE24Transmit FIFO Empty Interrupt Enable bit
  • 0 Interrupt disabled for FIFO empty
  • 1 Interrupt enabled for FIFO empty
RXOVFLIE19Overflow Interrupt Enable bit
  • 0 Interrupt disabled for overflow event
  • 1 Interrupt enabled for overflow event
RXFULLIE18Full Interrupt Enable bit
  • 0 Interrupt disabled for FIFO full
  • 1 Interrupt enabled for FIFO full
RXHALFIE17FIFO Half Full Interrupt Enable bit
  • 0 Interrupt disabled for FIFO half full
  • 1 Interrupt enabled for FIFO half full
RXNEMPTYIE16Empty Interrupt Enable bit
  • 0 Interrupt disabled for FIFO not empty
  • 1 Interrupt enabled for FIFO not empty
TXNFULLIF10Transmit FIFO Not Full Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) 1 = FIFO is not full, 0 = FIFO is full
  • 0 0: (FIFO configured as a Receive Buffer) Unused, reads 0
TXHALFIF9FIFO Transmit FIFO Half Empty Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) 1 = FIFO is ? half full, 0 = FIFO is > half full
  • 0 0: (FIFO configured as a Receive Buffer) Unused, reads 0
TXEMPTYIF8Transmit FIFO Empty Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) 1 = FIFO is empty, 0 = FIFO is not empty, at least 1 message queued to be transmitted
  • 0 0: (FIFO configured as a Receive Buffer) Unused, reads 0
RXOVFLIF3Receive FIFO Overflow Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) Unused, reads 0
  • 0 0: (FIFO configured as a Receive Buffer) 1 = Overflow event has occurred, 0 = No overflow event occurred
RXFULLIF2Receive FIFO Full Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) Unused, reads 0
  • 0 0: (FIFO configured as a Receive Buffer) 1 = FIFO is full, 0 = FIFO is not full
RXHALFIF1Receive FIFO Half Full Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) Unused, reads 0
  • 0 0: (FIFO configured as a Receive Buffer) 1 = FIFO is ? half full, 0 = FIFO is < half full
RXNEMPTYIF0Receive Buffer Not Empty Interrupt Flag bit
  • 0 0: (FIFO configured as a Receive Buffer) 1 = FIFO is not empty, has at least 1 message, 0 = FIFO is empty
  • 1 1: (FIFO configured as a Transmit Buffer) Unused, reads 0

C1FIFOUA7CAN FIFO User Address Register

Address
0xBF880530
Reset
0x00000000
Access
read only
Size
32-bit

C1FIFOCI7CAN Module Message Index Register

Address
0xBF880540
Reset
0x00000000
Access
read only
Size
32-bit
1 field
FieldBitsWhat it does
CFIFOCI4:0

C1FIFOCON8CAN FIFO Control Register

Address
0xBF880550
Reset
0x00000000
Access
read/write
Size
32-bit
11 fields
FieldBitsWhat it does
FSIZE20:16FIFO Size bits
  • 0 FIFO is 1 message deep
  • 1 FIFO is 2 messages deep
  • 2 FIFO is 3 messages deep
  • 31 FIFO is 32 messages deep
FRESET14FIFO Reset bits
  • 0 No effect
  • 1 FIFO will be reset when bit is set, cleared by hardware when FIFO is reset. After setting, the user application should poll whether this bit is clear before taking any action
UINC13Increment Head/Tail bit
  • 0 1: (FIFO configured as a Transmit FIFO) When this bit is set, the FIFO head will increment by a single message
  • 0 0: (FIFO configured as a Receive FIFO) When this bit is set, the FIFO tail will increment by a single message
DONLY12Store Message Data Only bit
  • 0 1: (FIFO configured as a Transmit FIFO) This bit is not used and has no effect.
  • 0 0: (FIFO configured as a Receive FIFO) 1 = Only data bytes will be stored in the FIFO, 0 = Full message is stored, including identifier
TXEN7TX/RX Buffer Selection bit
  • 0 FIFO is a Receive FIFO
  • 1 FIFO is a Transmit FIFO
TXABAT6Message Aborted bit
  • 0 Message completed successfully
  • 1 Message was aborted
TXLARB5Message Lost Arbitration bit
  • 0 Message did not lose arbitration while being sent
  • 1 Message lost arbitration while being sent
TXERR4Error Detected During Transmission bit
  • 0 A bus error did not occur while the message was being sent
  • 1 A bus error occurred while the message was being sent
TXREQ3Message Send Request
  • 0 1: (FIFO configured as a Transmit FIFO) Setting this bit to 1 requests sending a message. The bit will automatically clear when all the messages queued in the FIFO are successfully sent. Clearing the bit to 0 while set will request a message abort.
  • 0 0: (FIFO configured as a Receive FIFO) This bit has no effect.
RTREN2Auto RTR Enable bit
  • 0 When a remote transmit is received, TXREQ will be unaffected
  • 1 When a remote transmit is received, TXREQ will be set
TXPRI1:0Message Transmit Priority bits
  • 0 Lowest Message Priority
  • 1 Low Intermediate Message Priority
  • 2 High Intermediate Message Priority
  • 3 Highest Message Priority

C1FIFOINT8CAN FIFO Interrupt Register

Address
0xBF880560
Reset
0x00000000
Access
read/write
Size
32-bit
14 fields
FieldBitsWhat it does
TXNFULLIE26Transmit FIFO Not Full Interrupt Enable bit
  • 0 Interrupt disabled for FIFO not full
  • 1 Interrupt enabled for FIFO not full
TXHALFIE25Transmit FIFO Half Full Interrupt Enable bit
  • 0 Interrupt disabled for FIFO half full
  • 1 Interrupt enabled for FIFO half full
TXEMPTYIE24Transmit FIFO Empty Interrupt Enable bit
  • 0 Interrupt disabled for FIFO empty
  • 1 Interrupt enabled for FIFO empty
RXOVFLIE19Overflow Interrupt Enable bit
  • 0 Interrupt disabled for overflow event
  • 1 Interrupt enabled for overflow event
RXFULLIE18Full Interrupt Enable bit
  • 0 Interrupt disabled for FIFO full
  • 1 Interrupt enabled for FIFO full
RXHALFIE17FIFO Half Full Interrupt Enable bit
  • 0 Interrupt disabled for FIFO half full
  • 1 Interrupt enabled for FIFO half full
RXNEMPTYIE16Empty Interrupt Enable bit
  • 0 Interrupt disabled for FIFO not empty
  • 1 Interrupt enabled for FIFO not empty
TXNFULLIF10Transmit FIFO Not Full Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) 1 = FIFO is not full, 0 = FIFO is full
  • 0 0: (FIFO configured as a Receive Buffer) Unused, reads 0
TXHALFIF9FIFO Transmit FIFO Half Empty Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) 1 = FIFO is ? half full, 0 = FIFO is > half full
  • 0 0: (FIFO configured as a Receive Buffer) Unused, reads 0
TXEMPTYIF8Transmit FIFO Empty Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) 1 = FIFO is empty, 0 = FIFO is not empty, at least 1 message queued to be transmitted
  • 0 0: (FIFO configured as a Receive Buffer) Unused, reads 0
RXOVFLIF3Receive FIFO Overflow Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) Unused, reads 0
  • 0 0: (FIFO configured as a Receive Buffer) 1 = Overflow event has occurred, 0 = No overflow event occurred
RXFULLIF2Receive FIFO Full Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) Unused, reads 0
  • 0 0: (FIFO configured as a Receive Buffer) 1 = FIFO is full, 0 = FIFO is not full
RXHALFIF1Receive FIFO Half Full Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) Unused, reads 0
  • 0 0: (FIFO configured as a Receive Buffer) 1 = FIFO is ? half full, 0 = FIFO is < half full
RXNEMPTYIF0Receive Buffer Not Empty Interrupt Flag bit
  • 0 0: (FIFO configured as a Receive Buffer) 1 = FIFO is not empty, has at least 1 message, 0 = FIFO is empty
  • 1 1: (FIFO configured as a Transmit Buffer) Unused, reads 0

C1FIFOUA8CAN FIFO User Address Register

Address
0xBF880570
Reset
0x00000000
Access
read only
Size
32-bit

C1FIFOCI8CAN Module Message Index Register

Address
0xBF880580
Reset
0x00000000
Access
read only
Size
32-bit
1 field
FieldBitsWhat it does
CFIFOCI4:0

C1FIFOCON9CAN FIFO Control Register

Address
0xBF880590
Reset
0x00000000
Access
read/write
Size
32-bit
11 fields
FieldBitsWhat it does
FSIZE20:16FIFO Size bits
  • 0 FIFO is 1 message deep
  • 1 FIFO is 2 messages deep
  • 2 FIFO is 3 messages deep
  • 31 FIFO is 32 messages deep
FRESET14FIFO Reset bits
  • 0 No effect
  • 1 FIFO will be reset when bit is set, cleared by hardware when FIFO is reset. After setting, the user application should poll whether this bit is clear before taking any action
UINC13Increment Head/Tail bit
  • 0 1: (FIFO configured as a Transmit FIFO) When this bit is set, the FIFO head will increment by a single message
  • 0 0: (FIFO configured as a Receive FIFO) When this bit is set, the FIFO tail will increment by a single message
DONLY12Store Message Data Only bit
  • 0 1: (FIFO configured as a Transmit FIFO) This bit is not used and has no effect.
  • 0 0: (FIFO configured as a Receive FIFO) 1 = Only data bytes will be stored in the FIFO, 0 = Full message is stored, including identifier
TXEN7TX/RX Buffer Selection bit
  • 0 FIFO is a Receive FIFO
  • 1 FIFO is a Transmit FIFO
TXABAT6Message Aborted bit
  • 0 Message completed successfully
  • 1 Message was aborted
TXLARB5Message Lost Arbitration bit
  • 0 Message did not lose arbitration while being sent
  • 1 Message lost arbitration while being sent
TXERR4Error Detected During Transmission bit
  • 0 A bus error did not occur while the message was being sent
  • 1 A bus error occurred while the message was being sent
TXREQ3Message Send Request
  • 0 1: (FIFO configured as a Transmit FIFO) Setting this bit to 1 requests sending a message. The bit will automatically clear when all the messages queued in the FIFO are successfully sent. Clearing the bit to 0 while set will request a message abort.
  • 0 0: (FIFO configured as a Receive FIFO) This bit has no effect.
RTREN2Auto RTR Enable bit
  • 0 When a remote transmit is received, TXREQ will be unaffected
  • 1 When a remote transmit is received, TXREQ will be set
TXPRI1:0Message Transmit Priority bits
  • 0 Lowest Message Priority
  • 1 Low Intermediate Message Priority
  • 2 High Intermediate Message Priority
  • 3 Highest Message Priority

C1FIFOINT9CAN FIFO Interrupt Register

Address
0xBF8805A0
Reset
0x00000000
Access
read/write
Size
32-bit
14 fields
FieldBitsWhat it does
TXNFULLIE26Transmit FIFO Not Full Interrupt Enable bit
  • 0 Interrupt disabled for FIFO not full
  • 1 Interrupt enabled for FIFO not full
TXHALFIE25Transmit FIFO Half Full Interrupt Enable bit
  • 0 Interrupt disabled for FIFO half full
  • 1 Interrupt enabled for FIFO half full
TXEMPTYIE24Transmit FIFO Empty Interrupt Enable bit
  • 0 Interrupt disabled for FIFO empty
  • 1 Interrupt enabled for FIFO empty
RXOVFLIE19Overflow Interrupt Enable bit
  • 0 Interrupt disabled for overflow event
  • 1 Interrupt enabled for overflow event
RXFULLIE18Full Interrupt Enable bit
  • 0 Interrupt disabled for FIFO full
  • 1 Interrupt enabled for FIFO full
RXHALFIE17FIFO Half Full Interrupt Enable bit
  • 0 Interrupt disabled for FIFO half full
  • 1 Interrupt enabled for FIFO half full
RXNEMPTYIE16Empty Interrupt Enable bit
  • 0 Interrupt disabled for FIFO not empty
  • 1 Interrupt enabled for FIFO not empty
TXNFULLIF10Transmit FIFO Not Full Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) 1 = FIFO is not full, 0 = FIFO is full
  • 0 0: (FIFO configured as a Receive Buffer) Unused, reads 0
TXHALFIF9FIFO Transmit FIFO Half Empty Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) 1 = FIFO is ? half full, 0 = FIFO is > half full
  • 0 0: (FIFO configured as a Receive Buffer) Unused, reads 0
TXEMPTYIF8Transmit FIFO Empty Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) 1 = FIFO is empty, 0 = FIFO is not empty, at least 1 message queued to be transmitted
  • 0 0: (FIFO configured as a Receive Buffer) Unused, reads 0
RXOVFLIF3Receive FIFO Overflow Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) Unused, reads 0
  • 0 0: (FIFO configured as a Receive Buffer) 1 = Overflow event has occurred, 0 = No overflow event occurred
RXFULLIF2Receive FIFO Full Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) Unused, reads 0
  • 0 0: (FIFO configured as a Receive Buffer) 1 = FIFO is full, 0 = FIFO is not full
RXHALFIF1Receive FIFO Half Full Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) Unused, reads 0
  • 0 0: (FIFO configured as a Receive Buffer) 1 = FIFO is ? half full, 0 = FIFO is < half full
RXNEMPTYIF0Receive Buffer Not Empty Interrupt Flag bit
  • 0 0: (FIFO configured as a Receive Buffer) 1 = FIFO is not empty, has at least 1 message, 0 = FIFO is empty
  • 1 1: (FIFO configured as a Transmit Buffer) Unused, reads 0

C1FIFOUA9CAN FIFO User Address Register

Address
0xBF8805B0
Reset
0x00000000
Access
read only
Size
32-bit

C1FIFOCI9CAN Module Message Index Register

Address
0xBF8805C0
Reset
0x00000000
Access
read only
Size
32-bit
1 field
FieldBitsWhat it does
CFIFOCI4:0

C1FIFOCON10CAN FIFO Control Register

Address
0xBF8805D0
Reset
0x00000000
Access
read/write
Size
32-bit
11 fields
FieldBitsWhat it does
FSIZE20:16FIFO Size bits
  • 0 FIFO is 1 message deep
  • 1 FIFO is 2 messages deep
  • 2 FIFO is 3 messages deep
  • 31 FIFO is 32 messages deep
FRESET14FIFO Reset bits
  • 0 No effect
  • 1 FIFO will be reset when bit is set, cleared by hardware when FIFO is reset. After setting, the user application should poll whether this bit is clear before taking any action
UINC13Increment Head/Tail bit
  • 0 1: (FIFO configured as a Transmit FIFO) When this bit is set, the FIFO head will increment by a single message
  • 0 0: (FIFO configured as a Receive FIFO) When this bit is set, the FIFO tail will increment by a single message
DONLY12Store Message Data Only bit
  • 0 1: (FIFO configured as a Transmit FIFO) This bit is not used and has no effect.
  • 0 0: (FIFO configured as a Receive FIFO) 1 = Only data bytes will be stored in the FIFO, 0 = Full message is stored, including identifier
TXEN7TX/RX Buffer Selection bit
  • 0 FIFO is a Receive FIFO
  • 1 FIFO is a Transmit FIFO
TXABAT6Message Aborted bit
  • 0 Message completed successfully
  • 1 Message was aborted
TXLARB5Message Lost Arbitration bit
  • 0 Message did not lose arbitration while being sent
  • 1 Message lost arbitration while being sent
TXERR4Error Detected During Transmission bit
  • 0 A bus error did not occur while the message was being sent
  • 1 A bus error occurred while the message was being sent
TXREQ3Message Send Request
  • 0 1: (FIFO configured as a Transmit FIFO) Setting this bit to 1 requests sending a message. The bit will automatically clear when all the messages queued in the FIFO are successfully sent. Clearing the bit to 0 while set will request a message abort.
  • 0 0: (FIFO configured as a Receive FIFO) This bit has no effect.
RTREN2Auto RTR Enable bit
  • 0 When a remote transmit is received, TXREQ will be unaffected
  • 1 When a remote transmit is received, TXREQ will be set
TXPRI1:0Message Transmit Priority bits
  • 0 Lowest Message Priority
  • 1 Low Intermediate Message Priority
  • 2 High Intermediate Message Priority
  • 3 Highest Message Priority

C1FIFOINT10CAN FIFO Interrupt Register

Address
0xBF8805E0
Reset
0x00000000
Access
read/write
Size
32-bit
14 fields
FieldBitsWhat it does
TXNFULLIE26Transmit FIFO Not Full Interrupt Enable bit
  • 0 Interrupt disabled for FIFO not full
  • 1 Interrupt enabled for FIFO not full
TXHALFIE25Transmit FIFO Half Full Interrupt Enable bit
  • 0 Interrupt disabled for FIFO half full
  • 1 Interrupt enabled for FIFO half full
TXEMPTYIE24Transmit FIFO Empty Interrupt Enable bit
  • 0 Interrupt disabled for FIFO empty
  • 1 Interrupt enabled for FIFO empty
RXOVFLIE19Overflow Interrupt Enable bit
  • 0 Interrupt disabled for overflow event
  • 1 Interrupt enabled for overflow event
RXFULLIE18Full Interrupt Enable bit
  • 0 Interrupt disabled for FIFO full
  • 1 Interrupt enabled for FIFO full
RXHALFIE17FIFO Half Full Interrupt Enable bit
  • 0 Interrupt disabled for FIFO half full
  • 1 Interrupt enabled for FIFO half full
RXNEMPTYIE16Empty Interrupt Enable bit
  • 0 Interrupt disabled for FIFO not empty
  • 1 Interrupt enabled for FIFO not empty
TXNFULLIF10Transmit FIFO Not Full Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) 1 = FIFO is not full, 0 = FIFO is full
  • 0 0: (FIFO configured as a Receive Buffer) Unused, reads 0
TXHALFIF9FIFO Transmit FIFO Half Empty Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) 1 = FIFO is ? half full, 0 = FIFO is > half full
  • 0 0: (FIFO configured as a Receive Buffer) Unused, reads 0
TXEMPTYIF8Transmit FIFO Empty Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) 1 = FIFO is empty, 0 = FIFO is not empty, at least 1 message queued to be transmitted
  • 0 0: (FIFO configured as a Receive Buffer) Unused, reads 0
RXOVFLIF3Receive FIFO Overflow Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) Unused, reads 0
  • 0 0: (FIFO configured as a Receive Buffer) 1 = Overflow event has occurred, 0 = No overflow event occurred
RXFULLIF2Receive FIFO Full Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) Unused, reads 0
  • 0 0: (FIFO configured as a Receive Buffer) 1 = FIFO is full, 0 = FIFO is not full
RXHALFIF1Receive FIFO Half Full Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) Unused, reads 0
  • 0 0: (FIFO configured as a Receive Buffer) 1 = FIFO is ? half full, 0 = FIFO is < half full
RXNEMPTYIF0Receive Buffer Not Empty Interrupt Flag bit
  • 0 0: (FIFO configured as a Receive Buffer) 1 = FIFO is not empty, has at least 1 message, 0 = FIFO is empty
  • 1 1: (FIFO configured as a Transmit Buffer) Unused, reads 0

C1FIFOUA10CAN FIFO User Address Register

Address
0xBF8805F0
Reset
0x00000000
Access
read only
Size
32-bit

C1FIFOCI10CAN Module Message Index Register

Address
0xBF880600
Reset
0x00000000
Access
read only
Size
32-bit
1 field
FieldBitsWhat it does
CFIFOCI4:0

C1FIFOCON11CAN FIFO Control Register

Address
0xBF880610
Reset
0x00000000
Access
read/write
Size
32-bit
11 fields
FieldBitsWhat it does
FSIZE20:16FIFO Size bits
  • 0 FIFO is 1 message deep
  • 1 FIFO is 2 messages deep
  • 2 FIFO is 3 messages deep
  • 31 FIFO is 32 messages deep
FRESET14FIFO Reset bits
  • 0 No effect
  • 1 FIFO will be reset when bit is set, cleared by hardware when FIFO is reset. After setting, the user application should poll whether this bit is clear before taking any action
UINC13Increment Head/Tail bit
  • 0 1: (FIFO configured as a Transmit FIFO) When this bit is set, the FIFO head will increment by a single message
  • 0 0: (FIFO configured as a Receive FIFO) When this bit is set, the FIFO tail will increment by a single message
DONLY12Store Message Data Only bit
  • 0 1: (FIFO configured as a Transmit FIFO) This bit is not used and has no effect.
  • 0 0: (FIFO configured as a Receive FIFO) 1 = Only data bytes will be stored in the FIFO, 0 = Full message is stored, including identifier
TXEN7TX/RX Buffer Selection bit
  • 0 FIFO is a Receive FIFO
  • 1 FIFO is a Transmit FIFO
TXABAT6Message Aborted bit
  • 0 Message completed successfully
  • 1 Message was aborted
TXLARB5Message Lost Arbitration bit
  • 0 Message did not lose arbitration while being sent
  • 1 Message lost arbitration while being sent
TXERR4Error Detected During Transmission bit
  • 0 A bus error did not occur while the message was being sent
  • 1 A bus error occurred while the message was being sent
TXREQ3Message Send Request
  • 0 1: (FIFO configured as a Transmit FIFO) Setting this bit to 1 requests sending a message. The bit will automatically clear when all the messages queued in the FIFO are successfully sent. Clearing the bit to 0 while set will request a message abort.
  • 0 0: (FIFO configured as a Receive FIFO) This bit has no effect.
RTREN2Auto RTR Enable bit
  • 0 When a remote transmit is received, TXREQ will be unaffected
  • 1 When a remote transmit is received, TXREQ will be set
TXPRI1:0Message Transmit Priority bits
  • 0 Lowest Message Priority
  • 1 Low Intermediate Message Priority
  • 2 High Intermediate Message Priority
  • 3 Highest Message Priority

C1FIFOINT11CAN FIFO Interrupt Register

Address
0xBF880620
Reset
0x00000000
Access
read/write
Size
32-bit
14 fields
FieldBitsWhat it does
TXNFULLIE26Transmit FIFO Not Full Interrupt Enable bit
  • 0 Interrupt disabled for FIFO not full
  • 1 Interrupt enabled for FIFO not full
TXHALFIE25Transmit FIFO Half Full Interrupt Enable bit
  • 0 Interrupt disabled for FIFO half full
  • 1 Interrupt enabled for FIFO half full
TXEMPTYIE24Transmit FIFO Empty Interrupt Enable bit
  • 0 Interrupt disabled for FIFO empty
  • 1 Interrupt enabled for FIFO empty
RXOVFLIE19Overflow Interrupt Enable bit
  • 0 Interrupt disabled for overflow event
  • 1 Interrupt enabled for overflow event
RXFULLIE18Full Interrupt Enable bit
  • 0 Interrupt disabled for FIFO full
  • 1 Interrupt enabled for FIFO full
RXHALFIE17FIFO Half Full Interrupt Enable bit
  • 0 Interrupt disabled for FIFO half full
  • 1 Interrupt enabled for FIFO half full
RXNEMPTYIE16Empty Interrupt Enable bit
  • 0 Interrupt disabled for FIFO not empty
  • 1 Interrupt enabled for FIFO not empty
TXNFULLIF10Transmit FIFO Not Full Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) 1 = FIFO is not full, 0 = FIFO is full
  • 0 0: (FIFO configured as a Receive Buffer) Unused, reads 0
TXHALFIF9FIFO Transmit FIFO Half Empty Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) 1 = FIFO is ? half full, 0 = FIFO is > half full
  • 0 0: (FIFO configured as a Receive Buffer) Unused, reads 0
TXEMPTYIF8Transmit FIFO Empty Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) 1 = FIFO is empty, 0 = FIFO is not empty, at least 1 message queued to be transmitted
  • 0 0: (FIFO configured as a Receive Buffer) Unused, reads 0
RXOVFLIF3Receive FIFO Overflow Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) Unused, reads 0
  • 0 0: (FIFO configured as a Receive Buffer) 1 = Overflow event has occurred, 0 = No overflow event occurred
RXFULLIF2Receive FIFO Full Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) Unused, reads 0
  • 0 0: (FIFO configured as a Receive Buffer) 1 = FIFO is full, 0 = FIFO is not full
RXHALFIF1Receive FIFO Half Full Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) Unused, reads 0
  • 0 0: (FIFO configured as a Receive Buffer) 1 = FIFO is ? half full, 0 = FIFO is < half full
RXNEMPTYIF0Receive Buffer Not Empty Interrupt Flag bit
  • 0 0: (FIFO configured as a Receive Buffer) 1 = FIFO is not empty, has at least 1 message, 0 = FIFO is empty
  • 1 1: (FIFO configured as a Transmit Buffer) Unused, reads 0

C1FIFOUA11CAN FIFO User Address Register

Address
0xBF880630
Reset
0x00000000
Access
read only
Size
32-bit

C1FIFOCI11CAN Module Message Index Register

Address
0xBF880640
Reset
0x00000000
Access
read only
Size
32-bit
1 field
FieldBitsWhat it does
CFIFOCI4:0

C1FIFOCON12CAN FIFO Control Register

Address
0xBF880650
Reset
0x00000000
Access
read/write
Size
32-bit
11 fields
FieldBitsWhat it does
FSIZE20:16FIFO Size bits
  • 0 FIFO is 1 message deep
  • 1 FIFO is 2 messages deep
  • 2 FIFO is 3 messages deep
  • 31 FIFO is 32 messages deep
FRESET14FIFO Reset bits
  • 0 No effect
  • 1 FIFO will be reset when bit is set, cleared by hardware when FIFO is reset. After setting, the user application should poll whether this bit is clear before taking any action
UINC13Increment Head/Tail bit
  • 0 1: (FIFO configured as a Transmit FIFO) When this bit is set, the FIFO head will increment by a single message
  • 0 0: (FIFO configured as a Receive FIFO) When this bit is set, the FIFO tail will increment by a single message
DONLY12Store Message Data Only bit
  • 0 1: (FIFO configured as a Transmit FIFO) This bit is not used and has no effect.
  • 0 0: (FIFO configured as a Receive FIFO) 1 = Only data bytes will be stored in the FIFO, 0 = Full message is stored, including identifier
TXEN7TX/RX Buffer Selection bit
  • 0 FIFO is a Receive FIFO
  • 1 FIFO is a Transmit FIFO
TXABAT6Message Aborted bit
  • 0 Message completed successfully
  • 1 Message was aborted
TXLARB5Message Lost Arbitration bit
  • 0 Message did not lose arbitration while being sent
  • 1 Message lost arbitration while being sent
TXERR4Error Detected During Transmission bit
  • 0 A bus error did not occur while the message was being sent
  • 1 A bus error occurred while the message was being sent
TXREQ3Message Send Request
  • 0 1: (FIFO configured as a Transmit FIFO) Setting this bit to 1 requests sending a message. The bit will automatically clear when all the messages queued in the FIFO are successfully sent. Clearing the bit to 0 while set will request a message abort.
  • 0 0: (FIFO configured as a Receive FIFO) This bit has no effect.
RTREN2Auto RTR Enable bit
  • 0 When a remote transmit is received, TXREQ will be unaffected
  • 1 When a remote transmit is received, TXREQ will be set
TXPRI1:0Message Transmit Priority bits
  • 0 Lowest Message Priority
  • 1 Low Intermediate Message Priority
  • 2 High Intermediate Message Priority
  • 3 Highest Message Priority

C1FIFOINT12CAN FIFO Interrupt Register

Address
0xBF880660
Reset
0x00000000
Access
read/write
Size
32-bit
14 fields
FieldBitsWhat it does
TXNFULLIE26Transmit FIFO Not Full Interrupt Enable bit
  • 0 Interrupt disabled for FIFO not full
  • 1 Interrupt enabled for FIFO not full
TXHALFIE25Transmit FIFO Half Full Interrupt Enable bit
  • 0 Interrupt disabled for FIFO half full
  • 1 Interrupt enabled for FIFO half full
TXEMPTYIE24Transmit FIFO Empty Interrupt Enable bit
  • 0 Interrupt disabled for FIFO empty
  • 1 Interrupt enabled for FIFO empty
RXOVFLIE19Overflow Interrupt Enable bit
  • 0 Interrupt disabled for overflow event
  • 1 Interrupt enabled for overflow event
RXFULLIE18Full Interrupt Enable bit
  • 0 Interrupt disabled for FIFO full
  • 1 Interrupt enabled for FIFO full
RXHALFIE17FIFO Half Full Interrupt Enable bit
  • 0 Interrupt disabled for FIFO half full
  • 1 Interrupt enabled for FIFO half full
RXNEMPTYIE16Empty Interrupt Enable bit
  • 0 Interrupt disabled for FIFO not empty
  • 1 Interrupt enabled for FIFO not empty
TXNFULLIF10Transmit FIFO Not Full Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) 1 = FIFO is not full, 0 = FIFO is full
  • 0 0: (FIFO configured as a Receive Buffer) Unused, reads 0
TXHALFIF9FIFO Transmit FIFO Half Empty Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) 1 = FIFO is ? half full, 0 = FIFO is > half full
  • 0 0: (FIFO configured as a Receive Buffer) Unused, reads 0
TXEMPTYIF8Transmit FIFO Empty Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) 1 = FIFO is empty, 0 = FIFO is not empty, at least 1 message queued to be transmitted
  • 0 0: (FIFO configured as a Receive Buffer) Unused, reads 0
RXOVFLIF3Receive FIFO Overflow Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) Unused, reads 0
  • 0 0: (FIFO configured as a Receive Buffer) 1 = Overflow event has occurred, 0 = No overflow event occurred
RXFULLIF2Receive FIFO Full Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) Unused, reads 0
  • 0 0: (FIFO configured as a Receive Buffer) 1 = FIFO is full, 0 = FIFO is not full
RXHALFIF1Receive FIFO Half Full Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) Unused, reads 0
  • 0 0: (FIFO configured as a Receive Buffer) 1 = FIFO is ? half full, 0 = FIFO is < half full
RXNEMPTYIF0Receive Buffer Not Empty Interrupt Flag bit
  • 0 0: (FIFO configured as a Receive Buffer) 1 = FIFO is not empty, has at least 1 message, 0 = FIFO is empty
  • 1 1: (FIFO configured as a Transmit Buffer) Unused, reads 0

C1FIFOUA12CAN FIFO User Address Register

Address
0xBF880670
Reset
0x00000000
Access
read only
Size
32-bit

C1FIFOCI12CAN Module Message Index Register

Address
0xBF880680
Reset
0x00000000
Access
read only
Size
32-bit
1 field
FieldBitsWhat it does
CFIFOCI4:0

C1FIFOCON13CAN FIFO Control Register

Address
0xBF880690
Reset
0x00000000
Access
read/write
Size
32-bit
11 fields
FieldBitsWhat it does
FSIZE20:16FIFO Size bits
  • 0 FIFO is 1 message deep
  • 1 FIFO is 2 messages deep
  • 2 FIFO is 3 messages deep
  • 31 FIFO is 32 messages deep
FRESET14FIFO Reset bits
  • 0 No effect
  • 1 FIFO will be reset when bit is set, cleared by hardware when FIFO is reset. After setting, the user application should poll whether this bit is clear before taking any action
UINC13Increment Head/Tail bit
  • 0 1: (FIFO configured as a Transmit FIFO) When this bit is set, the FIFO head will increment by a single message
  • 0 0: (FIFO configured as a Receive FIFO) When this bit is set, the FIFO tail will increment by a single message
DONLY12Store Message Data Only bit
  • 0 1: (FIFO configured as a Transmit FIFO) This bit is not used and has no effect.
  • 0 0: (FIFO configured as a Receive FIFO) 1 = Only data bytes will be stored in the FIFO, 0 = Full message is stored, including identifier
TXEN7TX/RX Buffer Selection bit
  • 0 FIFO is a Receive FIFO
  • 1 FIFO is a Transmit FIFO
TXABAT6Message Aborted bit
  • 0 Message completed successfully
  • 1 Message was aborted
TXLARB5Message Lost Arbitration bit
  • 0 Message did not lose arbitration while being sent
  • 1 Message lost arbitration while being sent
TXERR4Error Detected During Transmission bit
  • 0 A bus error did not occur while the message was being sent
  • 1 A bus error occurred while the message was being sent
TXREQ3Message Send Request
  • 0 1: (FIFO configured as a Transmit FIFO) Setting this bit to 1 requests sending a message. The bit will automatically clear when all the messages queued in the FIFO are successfully sent. Clearing the bit to 0 while set will request a message abort.
  • 0 0: (FIFO configured as a Receive FIFO) This bit has no effect.
RTREN2Auto RTR Enable bit
  • 0 When a remote transmit is received, TXREQ will be unaffected
  • 1 When a remote transmit is received, TXREQ will be set
TXPRI1:0Message Transmit Priority bits
  • 0 Lowest Message Priority
  • 1 Low Intermediate Message Priority
  • 2 High Intermediate Message Priority
  • 3 Highest Message Priority

C1FIFOINT13CAN FIFO Interrupt Register

Address
0xBF8806A0
Reset
0x00000000
Access
read/write
Size
32-bit
14 fields
FieldBitsWhat it does
TXNFULLIE26Transmit FIFO Not Full Interrupt Enable bit
  • 0 Interrupt disabled for FIFO not full
  • 1 Interrupt enabled for FIFO not full
TXHALFIE25Transmit FIFO Half Full Interrupt Enable bit
  • 0 Interrupt disabled for FIFO half full
  • 1 Interrupt enabled for FIFO half full
TXEMPTYIE24Transmit FIFO Empty Interrupt Enable bit
  • 0 Interrupt disabled for FIFO empty
  • 1 Interrupt enabled for FIFO empty
RXOVFLIE19Overflow Interrupt Enable bit
  • 0 Interrupt disabled for overflow event
  • 1 Interrupt enabled for overflow event
RXFULLIE18Full Interrupt Enable bit
  • 0 Interrupt disabled for FIFO full
  • 1 Interrupt enabled for FIFO full
RXHALFIE17FIFO Half Full Interrupt Enable bit
  • 0 Interrupt disabled for FIFO half full
  • 1 Interrupt enabled for FIFO half full
RXNEMPTYIE16Empty Interrupt Enable bit
  • 0 Interrupt disabled for FIFO not empty
  • 1 Interrupt enabled for FIFO not empty
TXNFULLIF10Transmit FIFO Not Full Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) 1 = FIFO is not full, 0 = FIFO is full
  • 0 0: (FIFO configured as a Receive Buffer) Unused, reads 0
TXHALFIF9FIFO Transmit FIFO Half Empty Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) 1 = FIFO is ? half full, 0 = FIFO is > half full
  • 0 0: (FIFO configured as a Receive Buffer) Unused, reads 0
TXEMPTYIF8Transmit FIFO Empty Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) 1 = FIFO is empty, 0 = FIFO is not empty, at least 1 message queued to be transmitted
  • 0 0: (FIFO configured as a Receive Buffer) Unused, reads 0
RXOVFLIF3Receive FIFO Overflow Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) Unused, reads 0
  • 0 0: (FIFO configured as a Receive Buffer) 1 = Overflow event has occurred, 0 = No overflow event occurred
RXFULLIF2Receive FIFO Full Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) Unused, reads 0
  • 0 0: (FIFO configured as a Receive Buffer) 1 = FIFO is full, 0 = FIFO is not full
RXHALFIF1Receive FIFO Half Full Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) Unused, reads 0
  • 0 0: (FIFO configured as a Receive Buffer) 1 = FIFO is ? half full, 0 = FIFO is < half full
RXNEMPTYIF0Receive Buffer Not Empty Interrupt Flag bit
  • 0 0: (FIFO configured as a Receive Buffer) 1 = FIFO is not empty, has at least 1 message, 0 = FIFO is empty
  • 1 1: (FIFO configured as a Transmit Buffer) Unused, reads 0

C1FIFOUA13CAN FIFO User Address Register

Address
0xBF8806B0
Reset
0x00000000
Access
read only
Size
32-bit

C1FIFOCI13CAN Module Message Index Register

Address
0xBF8806C0
Reset
0x00000000
Access
read only
Size
32-bit
1 field
FieldBitsWhat it does
CFIFOCI4:0

C1FIFOCON14CAN FIFO Control Register

Address
0xBF8806D0
Reset
0x00000000
Access
read/write
Size
32-bit
11 fields
FieldBitsWhat it does
FSIZE20:16FIFO Size bits
  • 0 FIFO is 1 message deep
  • 1 FIFO is 2 messages deep
  • 2 FIFO is 3 messages deep
  • 31 FIFO is 32 messages deep
FRESET14FIFO Reset bits
  • 0 No effect
  • 1 FIFO will be reset when bit is set, cleared by hardware when FIFO is reset. After setting, the user application should poll whether this bit is clear before taking any action
UINC13Increment Head/Tail bit
  • 0 1: (FIFO configured as a Transmit FIFO) When this bit is set, the FIFO head will increment by a single message
  • 0 0: (FIFO configured as a Receive FIFO) When this bit is set, the FIFO tail will increment by a single message
DONLY12Store Message Data Only bit
  • 0 1: (FIFO configured as a Transmit FIFO) This bit is not used and has no effect.
  • 0 0: (FIFO configured as a Receive FIFO) 1 = Only data bytes will be stored in the FIFO, 0 = Full message is stored, including identifier
TXEN7TX/RX Buffer Selection bit
  • 0 FIFO is a Receive FIFO
  • 1 FIFO is a Transmit FIFO
TXABAT6Message Aborted bit
  • 0 Message completed successfully
  • 1 Message was aborted
TXLARB5Message Lost Arbitration bit
  • 0 Message did not lose arbitration while being sent
  • 1 Message lost arbitration while being sent
TXERR4Error Detected During Transmission bit
  • 0 A bus error did not occur while the message was being sent
  • 1 A bus error occurred while the message was being sent
TXREQ3Message Send Request
  • 0 1: (FIFO configured as a Transmit FIFO) Setting this bit to 1 requests sending a message. The bit will automatically clear when all the messages queued in the FIFO are successfully sent. Clearing the bit to 0 while set will request a message abort.
  • 0 0: (FIFO configured as a Receive FIFO) This bit has no effect.
RTREN2Auto RTR Enable bit
  • 0 When a remote transmit is received, TXREQ will be unaffected
  • 1 When a remote transmit is received, TXREQ will be set
TXPRI1:0Message Transmit Priority bits
  • 0 Lowest Message Priority
  • 1 Low Intermediate Message Priority
  • 2 High Intermediate Message Priority
  • 3 Highest Message Priority

C1FIFOINT14CAN FIFO Interrupt Register

Address
0xBF8806E0
Reset
0x00000000
Access
read/write
Size
32-bit
14 fields
FieldBitsWhat it does
TXNFULLIE26Transmit FIFO Not Full Interrupt Enable bit
  • 0 Interrupt disabled for FIFO not full
  • 1 Interrupt enabled for FIFO not full
TXHALFIE25Transmit FIFO Half Full Interrupt Enable bit
  • 0 Interrupt disabled for FIFO half full
  • 1 Interrupt enabled for FIFO half full
TXEMPTYIE24Transmit FIFO Empty Interrupt Enable bit
  • 0 Interrupt disabled for FIFO empty
  • 1 Interrupt enabled for FIFO empty
RXOVFLIE19Overflow Interrupt Enable bit
  • 0 Interrupt disabled for overflow event
  • 1 Interrupt enabled for overflow event
RXFULLIE18Full Interrupt Enable bit
  • 0 Interrupt disabled for FIFO full
  • 1 Interrupt enabled for FIFO full
RXHALFIE17FIFO Half Full Interrupt Enable bit
  • 0 Interrupt disabled for FIFO half full
  • 1 Interrupt enabled for FIFO half full
RXNEMPTYIE16Empty Interrupt Enable bit
  • 0 Interrupt disabled for FIFO not empty
  • 1 Interrupt enabled for FIFO not empty
TXNFULLIF10Transmit FIFO Not Full Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) 1 = FIFO is not full, 0 = FIFO is full
  • 0 0: (FIFO configured as a Receive Buffer) Unused, reads 0
TXHALFIF9FIFO Transmit FIFO Half Empty Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) 1 = FIFO is ? half full, 0 = FIFO is > half full
  • 0 0: (FIFO configured as a Receive Buffer) Unused, reads 0
TXEMPTYIF8Transmit FIFO Empty Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) 1 = FIFO is empty, 0 = FIFO is not empty, at least 1 message queued to be transmitted
  • 0 0: (FIFO configured as a Receive Buffer) Unused, reads 0
RXOVFLIF3Receive FIFO Overflow Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) Unused, reads 0
  • 0 0: (FIFO configured as a Receive Buffer) 1 = Overflow event has occurred, 0 = No overflow event occurred
RXFULLIF2Receive FIFO Full Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) Unused, reads 0
  • 0 0: (FIFO configured as a Receive Buffer) 1 = FIFO is full, 0 = FIFO is not full
RXHALFIF1Receive FIFO Half Full Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) Unused, reads 0
  • 0 0: (FIFO configured as a Receive Buffer) 1 = FIFO is ? half full, 0 = FIFO is < half full
RXNEMPTYIF0Receive Buffer Not Empty Interrupt Flag bit
  • 0 0: (FIFO configured as a Receive Buffer) 1 = FIFO is not empty, has at least 1 message, 0 = FIFO is empty
  • 1 1: (FIFO configured as a Transmit Buffer) Unused, reads 0

C1FIFOUA14CAN FIFO User Address Register

Address
0xBF8806F0
Reset
0x00000000
Access
read only
Size
32-bit

C1FIFOCI14CAN Module Message Index Register

Address
0xBF880700
Reset
0x00000000
Access
read only
Size
32-bit
1 field
FieldBitsWhat it does
CFIFOCI4:0

C1FIFOCON15CAN FIFO Control Register

Address
0xBF880710
Reset
0x00000000
Access
read/write
Size
32-bit
11 fields
FieldBitsWhat it does
FSIZE20:16FIFO Size bits
  • 0 FIFO is 1 message deep
  • 1 FIFO is 2 messages deep
  • 2 FIFO is 3 messages deep
  • 31 FIFO is 32 messages deep
FRESET14FIFO Reset bits
  • 0 No effect
  • 1 FIFO will be reset when bit is set, cleared by hardware when FIFO is reset. After setting, the user application should poll whether this bit is clear before taking any action
UINC13Increment Head/Tail bit
  • 0 1: (FIFO configured as a Transmit FIFO) When this bit is set, the FIFO head will increment by a single message
  • 0 0: (FIFO configured as a Receive FIFO) When this bit is set, the FIFO tail will increment by a single message
DONLY12Store Message Data Only bit
  • 0 1: (FIFO configured as a Transmit FIFO) This bit is not used and has no effect.
  • 0 0: (FIFO configured as a Receive FIFO) 1 = Only data bytes will be stored in the FIFO, 0 = Full message is stored, including identifier
TXEN7TX/RX Buffer Selection bit
  • 0 FIFO is a Receive FIFO
  • 1 FIFO is a Transmit FIFO
TXABAT6Message Aborted bit
  • 0 Message completed successfully
  • 1 Message was aborted
TXLARB5Message Lost Arbitration bit
  • 0 Message did not lose arbitration while being sent
  • 1 Message lost arbitration while being sent
TXERR4Error Detected During Transmission bit
  • 0 A bus error did not occur while the message was being sent
  • 1 A bus error occurred while the message was being sent
TXREQ3Message Send Request
  • 0 1: (FIFO configured as a Transmit FIFO) Setting this bit to 1 requests sending a message. The bit will automatically clear when all the messages queued in the FIFO are successfully sent. Clearing the bit to 0 while set will request a message abort.
  • 0 0: (FIFO configured as a Receive FIFO) This bit has no effect.
RTREN2Auto RTR Enable bit
  • 0 When a remote transmit is received, TXREQ will be unaffected
  • 1 When a remote transmit is received, TXREQ will be set
TXPRI1:0Message Transmit Priority bits
  • 0 Lowest Message Priority
  • 1 Low Intermediate Message Priority
  • 2 High Intermediate Message Priority
  • 3 Highest Message Priority

C1FIFOINT15CAN FIFO Interrupt Register

Address
0xBF880720
Reset
0x00000000
Access
read/write
Size
32-bit
14 fields
FieldBitsWhat it does
TXNFULLIE26Transmit FIFO Not Full Interrupt Enable bit
  • 0 Interrupt disabled for FIFO not full
  • 1 Interrupt enabled for FIFO not full
TXHALFIE25Transmit FIFO Half Full Interrupt Enable bit
  • 0 Interrupt disabled for FIFO half full
  • 1 Interrupt enabled for FIFO half full
TXEMPTYIE24Transmit FIFO Empty Interrupt Enable bit
  • 0 Interrupt disabled for FIFO empty
  • 1 Interrupt enabled for FIFO empty
RXOVFLIE19Overflow Interrupt Enable bit
  • 0 Interrupt disabled for overflow event
  • 1 Interrupt enabled for overflow event
RXFULLIE18Full Interrupt Enable bit
  • 0 Interrupt disabled for FIFO full
  • 1 Interrupt enabled for FIFO full
RXHALFIE17FIFO Half Full Interrupt Enable bit
  • 0 Interrupt disabled for FIFO half full
  • 1 Interrupt enabled for FIFO half full
RXNEMPTYIE16Empty Interrupt Enable bit
  • 0 Interrupt disabled for FIFO not empty
  • 1 Interrupt enabled for FIFO not empty
TXNFULLIF10Transmit FIFO Not Full Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) 1 = FIFO is not full, 0 = FIFO is full
  • 0 0: (FIFO configured as a Receive Buffer) Unused, reads 0
TXHALFIF9FIFO Transmit FIFO Half Empty Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) 1 = FIFO is ? half full, 0 = FIFO is > half full
  • 0 0: (FIFO configured as a Receive Buffer) Unused, reads 0
TXEMPTYIF8Transmit FIFO Empty Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) 1 = FIFO is empty, 0 = FIFO is not empty, at least 1 message queued to be transmitted
  • 0 0: (FIFO configured as a Receive Buffer) Unused, reads 0
RXOVFLIF3Receive FIFO Overflow Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) Unused, reads 0
  • 0 0: (FIFO configured as a Receive Buffer) 1 = Overflow event has occurred, 0 = No overflow event occurred
RXFULLIF2Receive FIFO Full Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) Unused, reads 0
  • 0 0: (FIFO configured as a Receive Buffer) 1 = FIFO is full, 0 = FIFO is not full
RXHALFIF1Receive FIFO Half Full Interrupt Flag bit
  • 0 1: (FIFO configured as a Transmit Buffer) Unused, reads 0
  • 0 0: (FIFO configured as a Receive Buffer) 1 = FIFO is ? half full, 0 = FIFO is < half full
RXNEMPTYIF0Receive Buffer Not Empty Interrupt Flag bit
  • 0 0: (FIFO configured as a Receive Buffer) 1 = FIFO is not empty, has at least 1 message, 0 = FIFO is empty
  • 1 1: (FIFO configured as a Transmit Buffer) Unused, reads 0

C1FIFOUA15CAN FIFO User Address Register

Address
0xBF880730
Reset
0x00000000
Access
read only
Size
32-bit

C1FIFOCI15CAN Module Message Index Register

Address
0xBF880740
Reset
0x00000000
Access
read only
Size
32-bit
1 field
FieldBitsWhat it does
CFIFOCI4:0