Datasheet

90
7593L–AVR–09/12
AT90USB64/128
11.4.2 DDRA – Port A Data Direction Register
11.4.3 PINA – Port A Input Pins Address
11.4.4 PORTB – Port B Data Register
11.4.5 DDRB – Port B Data Direction Register
11.4.6 PINB – Port B Input Pins Address
11.4.7 PORTC – Port C Data Register
11.4.8 DDRC – Port C Data Direction Register
11.4.9 PINC – Port C Input Pins Address
11.4.10 PORTD – Port D Data Register
Bit 76543210
DDA7 DDA6 DDA5 DDA4 DDA3 DDA2 DDA1 DDA0 DDRA
Read/write R/W R/W R/W R/W R/W R/W R/W R/W
Initial value00000000
Bit 76543210
PINA7 PINA6 PINA5 PINA4 PINA3 PINA2 PINA1 PINA0 PINA
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
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
PORTC7 PORTC6 PORTC5 PORTC4 PORTC3 PORTC2 PORTC1 PORTC0 PORTC
Read/write R/W R/W R/W R/W R/W R/W R/W R/W
Initial value00000000
Bit 76543210
DDC7 DDC6 DDC5 DDC4 DDC3 DDC2 DDC1 DDC0 DDRC
Read/write R/W R/W R/W R/W R/W R/W R/W R/W
Initial value00000000
Bit 76543210
PINC7 PINC6 PINC5 PINC4 PINC3 PINC2 PINC1 PINC0 PINC
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
PORTD7 PORTD6 PORTD5 PORTD4 PORTD3 PORTD2 PORTD1 PORTD0 PORTD
Read/write R/W R/W R/W R/W R/W R/W R/W R/W
Initial value00000000