
78
8008H–AVR–04/11
ATtiny48/88
feature.
10.4.3
PORTA – The Port A Data Register
10.4.4
DDRA – The Port A Data Direction Register
10.4.5
PINA – The Port A Input Pins
10.4.6
PORTB – The Port B Data Register
10.4.7
DDRB – The Port B Data Direction Register
10.4.8
PINB – The Port B Input Pins
10.4.9
PORTC – The Port C Data Register
10.4.10
DDRC – The Port C Data Direction Register
Bit
7
65
43
21
0
--
PORTA3
PORTA2
PORTA1
PORTA0
PORTA
Read/Write
R
R/W
Initial Value
0
Bit
7
65
43
21
0
-
DDA3
DDA2
DDA1
DDA0
DDRA
Read/Write
R
R/W
Initial Value
0
Bit
7
65
43
21
0
-
PINA3
PINA2
PINA1
PINA0
PINA
Read/Write
RR
Initial Value
0
N/A
Bit
7
65
43
21
0
PORTB7
PORTB6
PORTB5
PORTB4
PORTB3
PORTB2
PORTB1
PORTB0
PORTB
Read/Write
R/W
Initial Value
0
Bit
7
65
43
21
0
DDB7
DDB6
DDB5
DDB4
DDB3
DDB2
DDB1
DDB0
DDRB
Read/Write
R/W
Initial Value
0
Bit
7
65
43
21
0
PINB7
PINB6
PINB5
PINB4
PINB3
PINB2
PINB1
PINB0
PINB
Read/Write
RR
Initial Value
N/A
Bit
7
65
43
21
0
PORTC6
PORTC5
PORTC4
PORTC3
PORTC2
PORTC1
PORTC0
PORTC
Read/Write
R/W
Initial Value
0
Bit
7
65
43
21
0
DDC7
DDC6
DDC5
DDC4
DDC3
DDC2
DDC1
DDC0
DDRC
Read/Write
R/W
Initial Value
0