Datasheet

63
2586D–AVR–02/06
ATtiny25/45/85
12.4 Register Description for I/O-Ports
12.4.1 PORTB – Port B Data Register
12.4.2 DDRB – Port B Data Direction Register
12.4.3 PINB – Port B Input Pins Address
Bit 76543210
0x18 – – PORTB5 PORTB4 PORTB3 PORTB2 PORTB1 PORTB0 PORTB
Read/Write R R R/W R/W R/W R/W R/W R/W
Initial Value00000000
Bit 76543210
0x17 – – DDB5 DDB4 DDB3 DDB2 DDB1 DDB0 DDRB
Read/Write R R R/W R/W R/W R/W R/W R/W
Initial Value00000000
Bit 76543210
0x16 – – PINB5 PINB4 PINB3 PINB2 PINB1 PINB0 PINB
Read/Write R R R/W R/W R/W R/W R/W R/W
Initial Value 0 0 N/A N/A N/A N/A N/A N/A