Port G Data Register – PORTG
Bit
7
–
6
–
5
PORTG5
R/W
0
4
PORTG4
R/W
0
3
PORTG3
R/W
0
2
PORTG2
R/W
0
1
PORTG1
R/W
0
0
PORTG0
R/W
0
PORTG
DDRG
PING
Read/Write
Initial Value
R
0
R
0
Port G Data Direction Register
– DDRG
Bit
7
–
6
–
5
DDG5
R/W
0
4
DDG4
R/W
0
3
DDG3
R/W
0
2
DDG2
R/W
0
1
DDG1
R/W
0
0
DDG0
R/W
0
Read/Write
Initial Value
R
0
R
0
Port G Input Pins Address –
PING
Bit
7
–
6
–
5
4
3
2
1
0
PING5
R/W
N/A
PING4
R/W
N/A
PING3
R/W
N/A
PING2
R/W
N/A
PING1
R/W
N/A
PING0
R/W
N/A
Read/Write
Initial Value
R
0
R
0
Port H Data Register – PORTH
Bit
7
PORTH7
R/W
0
6
PORTH6
R/W
0
5
PORTH5
R/W
0
4
PORTH4
R/W
0
3
PORTH3
R/W
0
2
PORTH2
R/W
0
1
PORTH1
R/W
0
0
PORTH0
R/W
0
PORTH
DDRH
PINH
Read/Write
Initial Value
Port H Data Direction Register
– DDRH
Bit
7
DDH7
R/W
0
6
DDH6
R/W
0
5
DDH5
R/W
0
4
DDH4
R/W
0
3
DDH3
R/W
0
2
DDH2
R/W
0
1
DDH1
R/W
0
0
DDH0
R/W
0
Read/Write
Initial Value
Port H Input Pins Address –
PINH
Bit
7
6
5
4
3
2
1
0
PINH5
R/W
N/A
PINH5
R/W
N/A
PINH5
R/W
N/A
PINH4
R/W
N/A
PINH3
R/W
N/A
PINGH
R/W
PINH1
R/W
N/A
PINH0
R/W
N/A
Read/Write
Initial Value
N/A
Port J Data Register – PORTJ
Bit
7
PORTJ7
R/W
0
6
PORTJ6
R/W
0
5
PORTJ5
R/W
0
4
PORTJ4
R/W
0
3
PORTJ3
R/W
0
2
PORTJ2
R/W
0
1
PORTJ1
R/W
0
0
PORTJ0
R/W
0
PORTJ
DDRJ
PINJ
Read/Write
Initial Value
Port J Data Direction Register
– DDRJ
Bit
7
DDJ7
R/W
0
6
DDJ6
R/W
0
5
DDJ5
R/W
0
4
DDJ4
R/W
0
3
DDJ3
R/W
0
2
DDJ2
R/W
0
1
DDJ1
R/W
0
0
DDJ0
R/W
0
Read/Write
Initial Value
Port J Input Pins Address –
PINJ
Bit
7
6
5
4
3
2
1
0
PINJ5
R/W
N/A
PINJ5
R/W
N/A
PINJ5
R/W
N/A
PINJ4
R/W
N/A
PINJ3
R/W
N/A
PINGJ
R/W
N/A
PINJ1
R/W
N/A
PINJ0
R/W
N/A
Read/Write
Initial Value
114
ATmega640/1280/1281/2560/2561
2549A–AVR–03/05
ATMEL [ ATMEL ]
