AT90CAN128-15AZ Datasheet, PDF (90/431 Pages) ATMEL Corporation – 8-bit Microcontroller with 32K/64K/128K Bytes of ISP Flash and CAN Controller

9.4.2
9.4.3
9.4.4
9.4.5
9.4.6
9.4.7
9.4.8
9.4.9
Port A Data Direction Register – DDRA
Bit
Read/Write
Initial Value
7
DDA7
R/W
0
6
DDA6
R/W
0
5
DDA5
R/W
0
4
DDA4
R/W
0
3
DDA3
R/W
0
2
DDA2
R/W
0
1
DDA1
R/W
0
0
DDA0
R/W
0
DDRA
Port A Input Pins Address – PINA
Bit
Read/Write
Initial Value
7
PINA7
R/W
N/A
6
PINA6
R/W
N/A
5
PINA5
R/W
N/A
4
PINA4
R/W
N/A
3
PINA3
R/W
N/A
2
PINA2
R/W
N/A
1
PINA1
R/W
N/A
0
PINA0
R/W
N/A
PINA
Port B Data Register – PORTB
Bit
Read/Write
Initial Value
7
PORTB7
R/W
0
6
PORTB6
R/W
0
5
PORTB5
R/W
0
4
PORTB4
R/W
0
3
PORTB3
R/W
0
2
PORTB2
R/W
0
1
PORTB1
R/W
0
0
PORTB0
R/W
0
PORTB
Port B Data Direction Register – DDRB
Bit
Read/Write
Initial Value
7
DDB7
R/W
0
6
DDB6
R/W
0
5
DDB5
R/W
0
4
DDB4
R/W
0
3
DDB3
R/W
0
2
DDB2
R/W
0
1
DDB1
R/W
0
0
DDB0
R/W
0
DDRB
Port B Input Pins Address – PINB
Bit
Read/Write
Initial Value
7
PINB7
R/W
N/A
6
PINB6
R/W
N/A
5
PINB5
R/W
N/A
4
PINB4
R/W
N/A
3
PINB3
R/W
N/A
2
PINB2
R/W
N/A
1
PINB1
R/W
N/A
0
PINB0
R/W
N/A
PINB
Port C Data Register – PORTC
Bit
Read/Write
Initial Value
7
PORTC7
R/W
0
6
PORTC6
R/W
0
5
PORTC5
R/W
0
4
PORTC4
R/W
0
3
PORTC3
R/W
0
2
PORTC2
R/W
0
1
PORTC1
R/W
0
0
PORTC0
R/W
0
PORTC
Port C Data Direction Register – DDRC
Bit
Read/Write
Initial Value
7
DDC7
R/W
0
6
DDC6
R/W
0
5
DDC5
R/W
0
4
DDC4
R/W
0
3
DDC3
R/W
0
2
DDC2
R/W
0
1
DDC1
R/W
0
0
DDC0
R/W
0
DDRC
Port C Input Pins Address – PINC
Bit
Read/Write
Initial Value
7
PINC7
R/W
N/A
6
PINC6
R/W
N/A
5
PINC5
R/W
N/A
4
PINC4
R/W
N/A
3
PINC3
R/W
N/A
2
PINC2
R/W
N/A
1
PINC1
R/W
N/A
0
PINC0
R/W
N/A
PINC
90 AT90CAN32/64/128
7682C–AUTO–04/08