ATSAMHA0G16AB EVSYS registers

The 7 registers of EVSYS (Event System Interface), from 0x42000400, with their reset value and every field. The ATSAMHA0G16AB has 990 registers in 36 peripherals, one page each.

EVSYS Event System Interface

CTRLControl

Address
0x42000400
Reset
0x00
Access
write only
  1. 7–
  2. 6–
  3. 5–
  4. 4GCLKREQ
  5. 3–
  6. 2–
  7. 1–
  8. 0SWRST
2 fields
FieldBitsWhat it does
GCLKREQ4Generic Clock Requests
SWRST0Software Reset

CHANNELChannel

Address
0x42000404
Reset
0x00000000
Access
read/write
Size
32-bit
5 fields
FieldBitsWhat it does
EDGSEL27:26Edge Detection Selection
  • 0 No event output when using the resynchronized or synchronous path
  • 1 Event detection only on the rising edge of the signal from the event generator when using the resynchronized or synchronous path
  • 2 Event detection only on the falling edge of the signal from the event generator when using the resynchronized or synchronous path
  • 3 Event detection on rising and falling edges of the signal from the event generator when using the resynchronized or synchronous path
PATH25:24Path Selection
  • 0 Synchronous path
  • 1 Resynchronized path
  • 2 Asynchronous path
EVGEN22:16Event Generator Selection
SWEVT8Software Event
CHANNEL3:0Channel Selection

USERUser Multiplexer

Address
0x42000408
Reset
0x0000
Access
read/write
Size
16-bit
2 fields
FieldBitsWhat it does
CHANNEL12:8Channel Event Selection
  • 0 No Channel Output Selected
USER4:0User Multiplexer Selection

CHSTATUSChannel Status

Address
0x4200040C
Reset
0x000F00FF
Access
read only
Size
32-bit
24 fields
FieldBitsWhat it does
CHBUSY1127Channel 11 Busy
CHBUSY1026Channel 10 Busy
CHBUSY925Channel 9 Busy
CHBUSY824Channel 8 Busy
USRRDY1119Channel 11 User Ready
USRRDY1018Channel 10 User Ready
USRRDY917Channel 9 User Ready
USRRDY816Channel 8 User Ready
CHBUSY715Channel 7 Busy
CHBUSY614Channel 6 Busy
CHBUSY513Channel 5 Busy
CHBUSY412Channel 4 Busy
CHBUSY311Channel 3 Busy
CHBUSY210Channel 2 Busy
CHBUSY19Channel 1 Busy
CHBUSY08Channel 0 Busy
USRRDY77Channel 7 User Ready
USRRDY66Channel 6 User Ready
USRRDY55Channel 5 User Ready
USRRDY44Channel 4 User Ready
USRRDY33Channel 3 User Ready
USRRDY22Channel 2 User Ready
USRRDY11Channel 1 User Ready
USRRDY00Channel 0 User Ready

INTENCLRInterrupt Enable Clear

Address
0x42000410
Reset
0x00000000
Access
read/write
Size
32-bit
24 fields
FieldBitsWhat it does
EVD1127Channel 11 Event Detection Interrupt Enable
EVD1026Channel 10 Event Detection Interrupt Enable
EVD925Channel 9 Event Detection Interrupt Enable
EVD824Channel 8 Event Detection Interrupt Enable
OVR1119Channel 11 Overrun Interrupt Enable
OVR1018Channel 10 Overrun Interrupt Enable
OVR917Channel 9 Overrun Interrupt Enable
OVR816Channel 8 Overrun Interrupt Enable
EVD715Channel 7 Event Detection Interrupt Enable
EVD614Channel 6 Event Detection Interrupt Enable
EVD513Channel 5 Event Detection Interrupt Enable
EVD412Channel 4 Event Detection Interrupt Enable
EVD311Channel 3 Event Detection Interrupt Enable
EVD210Channel 2 Event Detection Interrupt Enable
EVD19Channel 1 Event Detection Interrupt Enable
EVD08Channel 0 Event Detection Interrupt Enable
OVR77Channel 7 Overrun Interrupt Enable
OVR66Channel 6 Overrun Interrupt Enable
OVR55Channel 5 Overrun Interrupt Enable
OVR44Channel 4 Overrun Interrupt Enable
OVR33Channel 3 Overrun Interrupt Enable
OVR22Channel 2 Overrun Interrupt Enable
OVR11Channel 1 Overrun Interrupt Enable
OVR00Channel 0 Overrun Interrupt Enable

INTENSETInterrupt Enable Set

Address
0x42000414
Reset
0x00000000
Access
read/write
Size
32-bit
24 fields
FieldBitsWhat it does
EVD1127Channel 11 Event Detection Interrupt Enable
EVD1026Channel 10 Event Detection Interrupt Enable
EVD925Channel 9 Event Detection Interrupt Enable
EVD824Channel 8 Event Detection Interrupt Enable
OVR1119Channel 11 Overrun Interrupt Enable
OVR1018Channel 10 Overrun Interrupt Enable
OVR917Channel 9 Overrun Interrupt Enable
OVR816Channel 8 Overrun Interrupt Enable
EVD715Channel 7 Event Detection Interrupt Enable
EVD614Channel 6 Event Detection Interrupt Enable
EVD513Channel 5 Event Detection Interrupt Enable
EVD412Channel 4 Event Detection Interrupt Enable
EVD311Channel 3 Event Detection Interrupt Enable
EVD210Channel 2 Event Detection Interrupt Enable
EVD19Channel 1 Event Detection Interrupt Enable
EVD08Channel 0 Event Detection Interrupt Enable
OVR77Channel 7 Overrun Interrupt Enable
OVR66Channel 6 Overrun Interrupt Enable
OVR55Channel 5 Overrun Interrupt Enable
OVR44Channel 4 Overrun Interrupt Enable
OVR33Channel 3 Overrun Interrupt Enable
OVR22Channel 2 Overrun Interrupt Enable
OVR11Channel 1 Overrun Interrupt Enable
OVR00Channel 0 Overrun Interrupt Enable

INTFLAGInterrupt Flag Status and Clear

Address
0x42000418
Reset
0x00000000
Access
read/write
Size
32-bit
24 fields
FieldBitsWhat it does
EVD1127Channel 11 Event Detection
EVD1026Channel 10 Event Detection
EVD925Channel 9 Event Detection
EVD824Channel 8 Event Detection
OVR1119Channel 11 Overrun
OVR1018Channel 10 Overrun
OVR917Channel 9 Overrun
OVR816Channel 8 Overrun
EVD715Channel 7 Event Detection
EVD614Channel 6 Event Detection
EVD513Channel 5 Event Detection
EVD412Channel 4 Event Detection
EVD311Channel 3 Event Detection
EVD210Channel 2 Event Detection
EVD19Channel 1 Event Detection
EVD08Channel 0 Event Detection
OVR77Channel 7 Overrun
OVR66Channel 6 Overrun
OVR55Channel 5 Overrun
OVR44Channel 4 Overrun
OVR33Channel 3 Overrun
OVR22Channel 2 Overrun
OVR11Channel 1 Overrun
OVR00Channel 0 Overrun