ATMEGA8U2_14 Datasheet, PDF (83/310 Pages) ATMEL Corporation – 125 Powerful Instructions – Most Single Clock Cycle Execution

ATmega8U2/16U2/32U2
12.4.8
PORTD – Port D Data Register
Bit
0x0B (0x2B)
Read/Write
Initial Value
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
12.4.9
DDRD – Port D Data Direction Register
Bit
0x0A (0x2A)
Read/Write
Initial Value
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
DDRD
12.4.10
PIND – Port D Input Pins Address
Bit
0x09 (0x29)
Read/Write
Initial Value
7
PIND7
R/W
N/A
6
PIND6
R/W
N/A
5
PIND5
R/W
N/A
4
PIND4
R/W
N/A
3
PIND3
R/W
N/A
2
PIND2
R/W
N/A
1
PIND1
R/W
N/A
0
PIND0
R/W
N/A
PIND
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