Datasheet

57
ATtiny2313/V
2543H–AVR–02/05
Register Description for I/O-Ports
Port A Data Register – PORTA
Port A Data Direction Register
– DDRA
Port A Input Pins Address –
PINA
Port B Data Register – PORTB
Port B Data Direction Register
– DDRB
Port B Input Pins Address –
PINB
Port D Data Register – PORTD
Port D Data Direction Register
– DDRD
Port D Input Pins Address –
PIND
Bit 76543210
–––––PORTA2PORTA1PORTA0
PORTA
Read/WriteRRRRRR/WR/WR/W
Initial Value00000000
Bit 76543210
–––––
DDA2 DDA1 DDA0 DDRA
Read/WriteRRRRRR/WR/WR/W
Initial Value00000000
Bit 76543210
–––––
PINA2 PINA1 PINA0 PINA
Read/WriteRRRRRR/WR/WR/W
Initial Value N/A N/A N/A N/A N/A N/A N/A N/A
Bit 76543210
PORTB7 PORTB6 PORTB5 PORTB4 PORTB3 PORTB2 PORTB1 PORTB0 PORTB
Read/Write R/W R/W R/W R/W R/W R/W R/W R/W
Initial Value00000000
Bit 76543210
DDB7 DDB6 DDB5 DDB4 DDB3 DDB2 DDB1 DDB0 DDRB
Read/Write R/W R/W R/W R/W R/W R/W R/W R/W
Initial Value00000000
Bit 76543210
PINB7 PINB6 PINB5 PINB4 PINB3 PINB2 PINB1 PINB0 PINB
Read/Write R/W R/W R/W R/W R/W R/W R/W R/W
Initial Value N/A N/A N/A N/A N/A N/A N/A N/A
Bit 76543210
– PORTD6 PORTD5 PORTD4 PORTD3 PORTD2 PORTD1 PORTD0 PORTD
Read/Write R R/W R/W R/W R/W R/W R/W R/W
Initial Value00000000
Bit 76543210
– DDD6 DDD5 DDD4 DDD3 DDD2 DDD1 DDD0 DDRD
Read/Write R R/W R/W R/W R/W R/W R/W R/W
Initial Value00000000
Bit 76543210
– PIND6 PIND5 PIND4 PIND3 PIND2 PIND1 PIND0 PIND
Read/Write R R/W R/W R/W R/W R/W R/W R/W
Initial Value N/A N/A N/A N/A N/A N/A N/A N/A