Port C Input Pins Address –
PINC
Bit
7
6
5
4
3
2
1
0
PINC7
R/W
N/A
PINC6
R/W
N/A
PINC5
R/W
N/A
PINC4
R/W
N/A
PINC3
R/W
N/A
PINC2
R/W
N/A
PINC1
R/W
N/A
PINC0
R/W
N/A
PINC
PORTD
DDRD
PIND
Read/Write
Initial Value
Port D Data Register – PORTD
Bit
7
6
5
4
3
2
1
0
PORTD7 PORTD6 PORTD5 PORTD4 PORTD3 PORTD2 PORTD1 PORTD0
Read/Write
Initial Value
R/W
0
R/W
0
R/W
0
R/W
0
R/W
0
R/W
0
R/W
0
R/W
0
Port D Data Direction Register
– DDRD
Bit
7
DDD7
R/W
0
6
DDD6
R/W
0
5
DDD5
R/W
0
4
DDD4
R/W
0
3
DDD3
R/W
0
2
DDD2
R/W
0
1
DDD1
R/W
0
0
DDD0
R/W
0
Read/Write
Initial Value
Port D Input Pins Address –
PIND
Bit
7
6
5
4
3
2
1
0
PIND7
R/W
N/A
PIND6
R/W
N/A
PIND5
R/W
N/A
PIND4
R/W
N/A
PIND3
R/W
N/A
PIND2
R/W
N/A
PIND1
R/W
N/A
PIND0
R/W
N/A
Read/Write
Initial Value
Port E Data Register – PORTE
Bit
7
6
5
4
3
2
1
0
PORTE7 PORTE6 PORTE5 PORTE4 PORTE3 PORTE2 PORTE1 PORTE0
PORTE
DDRE
PINE
Read/Write
Initial Value
R/W
0
R/W
0
R/W
0
R/W
0
R/W
0
R/W
0
R/W
0
R/W
0
Port E Data Direction Register
– DDRE
Bit
7
DDE7
R/W
0
6
DDE6
R/W
0
5
DDE5
R/W
0
4
DDE4
R/W
0
3
DDE3
R/W
0
2
DDE2
R/W
0
1
DDE1
R/W
0
0
DDE0
R/W
0
Read/Write
Initial Value
Port E Input Pins Address –
PINE
Bit
7
6
5
4
3
2
1
0
PINE7
R/W
N/A
PINE6
R/W
N/A
PINE5
R/W
N/A
PINE4
R/W
N/A
PINE3
R/W
N/A
PINE2
R/W
N/A
PINE1
R/W
N/A
PINE0
R/W
N/A
Read/Write
Initial Value
Port F Data Register – PORTF
Bit
7
6
5
4
3
2
1
0
PORTF7 PORTF6 PORTF5 PORTF4 PORTF3 PORTF2 PORTF1 PORTF0
PORTF
Read/Write
Initial Value
R/W
0
R/W
0
R/W
0
R/W
0
R/W
0
R/W
0
R/W
0
R/W
0
Port F Data Direction Register
– DDRF
Bit
7
DDF7
R/W
0
6
DDF6
R/W
0
5
DDF5
R/W
0
4
DDF4
R/W
0
3
DDF3
R/W
0
2
DDF2
R/W
0
1
DDF1
R/W
0
0
DDF0
R/W
0
DDRF
Read/Write
Initial Value
86
AT90CAN128
4250E–CAN–12/04
ATMEL [ ATMEL ]
