![](http://datasheet.mmic.net.cn/Atmel/ATMEGA164PA-CUR_datasheet_96548/ATMEGA164PA-CUR_92.png)
92
8272E–AVR–04/2013
ATmega164A/PA/324A/PA/644A/PA/1284/P
14.3.12
PORTC – Port C Data Register
14.3.13
DDRC – Port C Data Direction Register
14.3.14
PINC – Port C Input Pins Address
14.3.15
PORTD – Port D Data Register
14.3.16
DDRD – Port D Data Direction Register
14.3.17
PIND – Port D Input Pins Address
Bit
76543210
PORTC7
PORTC6
PORTC5
PORTC4
PORTC3
PORTC2
PORTC1
PORTC0
PORTC
Read/Write
R/W
Initial Value
00000000
Bit
76543210
DDC7
DDC6
DDC5
DDC4
DDC3
DDC2
DDC1
DDC0
DDRC
Read/Write
R/W
Initial Value
00000000
Bit
76543210
PINC7
PINC6
PINC5
PINC4
PINC3
PINC2
PINC1
PINC0
PINC
Read/Write
R/W
Initial Value
N/A
Bit
76543210
PORTD7
PORTD6
PORTD5
PORTD4
PORTD3
PORTD2
PORTD1
PORTD0
PORTD
Read/Write
R/W
Initial Value
00000000
Bit
76543210
DDD7
DDD6
DDD5
DDD4
DDD3
DDD2
DDD1
DDD0
DDRD
Read/Write
R/W
Initial Value
00000000
Bit
76543210
PIND7
PIND6
PIND5
PIND4
PIND3
PIND2
PIND1
PIND0
PIND
Read/Write
R/W
Initial Value
N/A