ATMEGA48P_11 Datasheet, PDF (91/420 Pages) ATMEL Corporation – 131 Powerful Instructions - Most Single Clock Cycle Execution

ATmega48P/88P/168P
14.4.8
PORTD – The 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
14.4.9
DDRD – The 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
14.4.10
PIND – The Port D Input Pins Address
Bit
0x09 (0x29)
Read/Write
Initial Value
7
PIND7
R
N/A
6
PIND6
R
N/A
5
PIND5
R
N/A
4
PIND4
R
N/A
3
PIND3
R
N/A
2
PIND2
R
N/A
1
PIND1
R
N/A
0
PIND0
R
N/A
PIND
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