ATmega16(L)
Port B Input Pins Address –
PINB
Bit
7
PINB7
R
6
PINB6
R
5
PINB5
R
4
PINB4
R
3
PINB3
R
2
PINB2
R
1
PINB1
R
0
PINB0
R
PINB
PORTC
DDRC
PINC
Read/Write
Initial Value
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
Port C Data Register – PORTC
Bit
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
Read/Write
Initial Value
Port C Data Direction Register
– DDRC
Bit
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
Read/Write
Initial Value
Port C Input Pins Address –
PINC
Bit
7
PINC7
R
6
PINC6
R
5
PINC5
R
4
PINC4
R
3
PINC3
R
2
PINC2
R
1
PINC1
R
0
PINC0
R
Read/Write
Initial Value
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
Port D Data Register – PORTD
Bit
7
PORTD7
R/W
0
6
PORTD6
R/W
0
5
PORTD5
R/W
0
4
PORTD4
R/W
0
3
PORTD3
R/W
0
2
PORTD2
R/W
0
1
PORTD1
R/W
0
0
PORTD0
R/W
0
PORTD
DDRD
PIND
Read/Write
Initial Value
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
PIND7
R
6
PIND6
R
5
PIND5
R
4
PIND4
R
3
PIND3
R
2
PIND2
R
1
PIND1
R
0
PIND0
R
Read/Write
Initial Value
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
63
2466E–AVR–10/02
ATMEL [ ATMEL ]
