Datasheet

 2018 Microchip Technology Inc. Data Sheet Complete DS40002060A-page 61
ATtiny4/5/9/10
11.4.3 PORTB – Port B Data Register
11.4.4 DDRB – Port B Data Direction Register
11.4.5 PINB – Port B Input Pins
Bit 76543210
0x02
– – – – PORTB3 PORTB2 PORTB1 PORTB0 PORTB
Read/Write R R R R R/W R/W R/W R/W
Initial Value 0 0 0 0 0 0 0 0
Bit 76543210
0x01
– – – – DDB3 DDB2 DDB1 DDB0 DDRB
Read/Write R R R R R/W R/W R/W R/W
Initial Value 0 0 0 0 0 0 0 0
Bit 76543210
0x00
– – – – PINB3 PINB2 PINB1 PINB0 PINB
Read/Write R R R R R/W R/W R/W R/W
Initial Value 0 0 0 0 N/A N/A N/A N/A