ATxmega64B3 PORTM registers

The 22 registers of PORTM (I/O Port Configuration), from 0x760, with their reset value and every field. The ATxmega64B3 has 419 registers in 43 peripherals, one page each.

PORTM I/O Port Configuration

DIRI/O Port Data Direction

Address
0x760
Reset
0x00
Access
read/write
  1. 7DIR7
  2. 6DIR6
  3. 5DIR5
  4. 4DIR4
  5. 3DIR3
  6. 2DIR2
  7. 1DIR1
  8. 0DIR0

DIRSETI/O Port Data Direction Set

Address
0x761
Reset
0x00
Access
read/write
  1. 7DIRSET7
  2. 6DIRSET6
  3. 5DIRSET5
  4. 4DIRSET4
  5. 3DIRSET3
  6. 2DIRSET2
  7. 1DIRSET1
  8. 0DIRSET0

DIRCLRI/O Port Data Direction Clear

Address
0x762
Reset
0x00
Access
read/write
  1. 7DIRCLR7
  2. 6DIRCLR6
  3. 5DIRCLR5
  4. 4DIRCLR4
  5. 3DIRCLR3
  6. 2DIRCLR2
  7. 1DIRCLR1
  8. 0DIRCLR0

DIRTGLI/O Port Data Direction Toggle

Address
0x763
Reset
0x00
Access
read/write
  1. 7DIRTGL7
  2. 6DIRTGL6
  3. 5DIRTGL5
  4. 4DIRTGL4
  5. 3DIRTGL3
  6. 2DIRTGL2
  7. 1DIRTGL1
  8. 0DIRTGL0

OUTI/O Port Output

Address
0x764
Reset
0x00
Access
read/write
  1. 7OUT7
  2. 6OUT6
  3. 5OUT5
  4. 4OUT4
  5. 3OUT3
  6. 2OUT2
  7. 1OUT1
  8. 0OUT0

OUTSETI/O Port Output Set

Address
0x765
Reset
0x00
Access
read/write
  1. 7OUTSET7
  2. 6OUTSET6
  3. 5OUTSET5
  4. 4OUTSET4
  5. 3OUTSET3
  6. 2OUTSET2
  7. 1OUTSET1
  8. 0OUTSET0

OUTCLRI/O Port Output Clear

Address
0x766
Reset
0x00
Access
read/write
  1. 7OUTCLR7
  2. 6OUTCLR6
  3. 5OUTCLR5
  4. 4OUTCLR4
  5. 3OUTCLR3
  6. 2OUTCLR2
  7. 1OUTCLR1
  8. 0OUTCLR0

OUTTGLI/O Port Output Toggle

Address
0x767
Reset
0x00
Access
read/write
  1. 7OUTTGL7
  2. 6OUTTGL6
  3. 5OUTTGL5
  4. 4OUTTGL4
  5. 3OUTTGL3
  6. 2OUTTGL2
  7. 1OUTTGL1
  8. 0OUTTGL0

INI/O port Input

Address
0x768
Reset
0x00
Access
read/write
  1. 7IN7
  2. 6IN6
  3. 5IN5
  4. 4IN4
  5. 3IN3
  6. 2IN2
  7. 1IN1
  8. 0IN0

INTCTRLInterrupt Control Register

Address
0x769
Reset
0x00
Access
read/write
  1. 7–
  2. 6–
  3. 5–
  4. 4–
  5. 3INT1LVL1
  6. 2INT1LVL0
  7. 1INT0LVL1
  8. 0INT0LVL0
2 fields
FieldBitsWhat it does
INT1LVL3:2Port Interrupt 1 Level
  • 0 Interrupt Disabled
  • 1 Low Level
  • 2 Medium Level
  • 3 High Level
INT0LVL1:0Port Interrupt 0 Level
  • 0 Interrupt Disabled
  • 1 Low Level
  • 2 Medium Level
  • 3 High Level

INT0MASKPort Interrupt 0 Mask

Address
0x76A
Reset
0x00
Access
read/write
  1. 7INT0MASK7
  2. 6INT0MASK6
  3. 5INT0MASK5
  4. 4INT0MASK4
  5. 3INT0MASK3
  6. 2INT0MASK2
  7. 1INT0MASK1
  8. 0INT0MASK0

INT1MASKPort Interrupt 1 Mask

Address
0x76B
Reset
0x00
Access
read/write
  1. 7INT1MASK7
  2. 6INT1MASK6
  3. 5INT1MASK5
  4. 4INT1MASK4
  5. 3INT1MASK3
  6. 2INT1MASK2
  7. 1INT1MASK1
  8. 0INT1MASK0

INTFLAGSInterrupt Flag Register

Address
0x76C
Reset
0x00
Access
read/write
  1. 7–
  2. 6–
  3. 5–
  4. 4–
  5. 3–
  6. 2–
  7. 1INT1IF
  8. 0INT0IF
2 fields
FieldBitsWhat it does
INT1IF1Port Interrupt 1 Flag
INT0IF0Port Interrupt 0 Flag

REMAPI/O Port Pin Remap Register

Address
0x76E
Reset
0x00
Access
read/write
  1. 7–
  2. 6–
  3. 5SPI
  4. 4USART0
  5. 3TC0D
  6. 2TC0C
  7. 1TC0B
  8. 0TC0A
6 fields
FieldBitsWhat it does
SPI5SPI
USART04USART0
TC0D3Timer/Counter 0 Output Compare D
TC0C2Timer/Counter 0 Output Compare C
TC0B1Timer/Counter 0 Output Compare B
TC0A0Timer/Counter 0 Output Compare A

PIN0CTRLPin 0 Control Register

Address
0x770
Reset
0x00
Access
read/write
  1. 7SRLEN
  2. 6INVEN
  3. 5OPC2
  4. 4OPC1
  5. 3OPC0
  6. 2ISC2
  7. 1ISC1
  8. 0ISC0
4 fields
FieldBitsWhat it does
SRLEN7Slew Rate Enable
INVEN6Inverted I/O Enable
OPC5:3Output/Pull Configuration
  • 0 Totempole
  • 1 Totempole w/ Bus keeper on Input and Output
  • 2 Totempole w/ Pull-down on Input
  • 3 Totempole w/ Pull-up on Input
  • 4 Wired OR
  • 5 Wired AND
  • 6 Wired OR w/ Pull-down
  • 7 Wired AND w/ Pull-up
ISC2:0Input/Sense Configuration
  • 0 Sense Both Edges
  • 1 Sense Rising Edge
  • 2 Sense Falling Edge
  • 3 Sense Level (Transparent For Events)
  • 7 Disable Digital Input Buffer

PIN1CTRLPin 1 Control Register

Address
0x771
Reset
0x00
Access
read/write
  1. 7SRLEN
  2. 6INVEN
  3. 5OPC2
  4. 4OPC1
  5. 3OPC0
  6. 2ISC2
  7. 1ISC1
  8. 0ISC0
4 fields
FieldBitsWhat it does
SRLEN7Slew Rate Enable
INVEN6Inverted I/O Enable
OPC5:3Output/Pull Configuration
  • 0 Totempole
  • 1 Totempole w/ Bus keeper on Input and Output
  • 2 Totempole w/ Pull-down on Input
  • 3 Totempole w/ Pull-up on Input
  • 4 Wired OR
  • 5 Wired AND
  • 6 Wired OR w/ Pull-down
  • 7 Wired AND w/ Pull-up
ISC2:0Input/Sense Configuration
  • 0 Sense Both Edges
  • 1 Sense Rising Edge
  • 2 Sense Falling Edge
  • 3 Sense Level (Transparent For Events)
  • 7 Disable Digital Input Buffer

PIN2CTRLPin 2 Control Register

Address
0x772
Reset
0x00
Access
read/write
  1. 7SRLEN
  2. 6INVEN
  3. 5OPC2
  4. 4OPC1
  5. 3OPC0
  6. 2ISC2
  7. 1ISC1
  8. 0ISC0
4 fields
FieldBitsWhat it does
SRLEN7Slew Rate Enable
INVEN6Inverted I/O Enable
OPC5:3Output/Pull Configuration
  • 0 Totempole
  • 1 Totempole w/ Bus keeper on Input and Output
  • 2 Totempole w/ Pull-down on Input
  • 3 Totempole w/ Pull-up on Input
  • 4 Wired OR
  • 5 Wired AND
  • 6 Wired OR w/ Pull-down
  • 7 Wired AND w/ Pull-up
ISC2:0Input/Sense Configuration
  • 0 Sense Both Edges
  • 1 Sense Rising Edge
  • 2 Sense Falling Edge
  • 3 Sense Level (Transparent For Events)
  • 7 Disable Digital Input Buffer

PIN3CTRLPin 3 Control Register

Address
0x773
Reset
0x00
Access
read/write
  1. 7SRLEN
  2. 6INVEN
  3. 5OPC2
  4. 4OPC1
  5. 3OPC0
  6. 2ISC2
  7. 1ISC1
  8. 0ISC0
4 fields
FieldBitsWhat it does
SRLEN7Slew Rate Enable
INVEN6Inverted I/O Enable
OPC5:3Output/Pull Configuration
  • 0 Totempole
  • 1 Totempole w/ Bus keeper on Input and Output
  • 2 Totempole w/ Pull-down on Input
  • 3 Totempole w/ Pull-up on Input
  • 4 Wired OR
  • 5 Wired AND
  • 6 Wired OR w/ Pull-down
  • 7 Wired AND w/ Pull-up
ISC2:0Input/Sense Configuration
  • 0 Sense Both Edges
  • 1 Sense Rising Edge
  • 2 Sense Falling Edge
  • 3 Sense Level (Transparent For Events)
  • 7 Disable Digital Input Buffer

PIN4CTRLPin 4 Control Register

Address
0x774
Reset
0x00
Access
read/write
  1. 7SRLEN
  2. 6INVEN
  3. 5OPC2
  4. 4OPC1
  5. 3OPC0
  6. 2ISC2
  7. 1ISC1
  8. 0ISC0
4 fields
FieldBitsWhat it does
SRLEN7Slew Rate Enable
INVEN6Inverted I/O Enable
OPC5:3Output/Pull Configuration
  • 0 Totempole
  • 1 Totempole w/ Bus keeper on Input and Output
  • 2 Totempole w/ Pull-down on Input
  • 3 Totempole w/ Pull-up on Input
  • 4 Wired OR
  • 5 Wired AND
  • 6 Wired OR w/ Pull-down
  • 7 Wired AND w/ Pull-up
ISC2:0Input/Sense Configuration
  • 0 Sense Both Edges
  • 1 Sense Rising Edge
  • 2 Sense Falling Edge
  • 3 Sense Level (Transparent For Events)
  • 7 Disable Digital Input Buffer

PIN5CTRLPin 5 Control Register

Address
0x775
Reset
0x00
Access
read/write
  1. 7SRLEN
  2. 6INVEN
  3. 5OPC2
  4. 4OPC1
  5. 3OPC0
  6. 2ISC2
  7. 1ISC1
  8. 0ISC0
4 fields
FieldBitsWhat it does
SRLEN7Slew Rate Enable
INVEN6Inverted I/O Enable
OPC5:3Output/Pull Configuration
  • 0 Totempole
  • 1 Totempole w/ Bus keeper on Input and Output
  • 2 Totempole w/ Pull-down on Input
  • 3 Totempole w/ Pull-up on Input
  • 4 Wired OR
  • 5 Wired AND
  • 6 Wired OR w/ Pull-down
  • 7 Wired AND w/ Pull-up
ISC2:0Input/Sense Configuration
  • 0 Sense Both Edges
  • 1 Sense Rising Edge
  • 2 Sense Falling Edge
  • 3 Sense Level (Transparent For Events)
  • 7 Disable Digital Input Buffer

PIN6CTRLPin 6 Control Register

Address
0x776
Reset
0x00
Access
read/write
  1. 7SRLEN
  2. 6INVEN
  3. 5OPC2
  4. 4OPC1
  5. 3OPC0
  6. 2ISC2
  7. 1ISC1
  8. 0ISC0
4 fields
FieldBitsWhat it does
SRLEN7Slew Rate Enable
INVEN6Inverted I/O Enable
OPC5:3Output/Pull Configuration
  • 0 Totempole
  • 1 Totempole w/ Bus keeper on Input and Output
  • 2 Totempole w/ Pull-down on Input
  • 3 Totempole w/ Pull-up on Input
  • 4 Wired OR
  • 5 Wired AND
  • 6 Wired OR w/ Pull-down
  • 7 Wired AND w/ Pull-up
ISC2:0Input/Sense Configuration
  • 0 Sense Both Edges
  • 1 Sense Rising Edge
  • 2 Sense Falling Edge
  • 3 Sense Level (Transparent For Events)
  • 7 Disable Digital Input Buffer

PIN7CTRLPin 7 Control Register

Address
0x777
Reset
0x00
Access
read/write
  1. 7SRLEN
  2. 6INVEN
  3. 5OPC2
  4. 4OPC1
  5. 3OPC0
  6. 2ISC2
  7. 1ISC1
  8. 0ISC0
4 fields
FieldBitsWhat it does
SRLEN7Slew Rate Enable
INVEN6Inverted I/O Enable
OPC5:3Output/Pull Configuration
  • 0 Totempole
  • 1 Totempole w/ Bus keeper on Input and Output
  • 2 Totempole w/ Pull-down on Input
  • 3 Totempole w/ Pull-up on Input
  • 4 Wired OR
  • 5 Wired AND
  • 6 Wired OR w/ Pull-down
  • 7 Wired AND w/ Pull-up
ISC2:0Input/Sense Configuration
  • 0 Sense Both Edges
  • 1 Sense Rising Edge
  • 2 Sense Falling Edge
  • 3 Sense Level (Transparent For Events)
  • 7 Disable Digital Input Buffer