ATTINY26L8SU SL383 Atmel, ATTINY26L8SU SL383 Datasheet - Page 58

• Manufacturer Part Number: ATTINY26L8SU SL383
• Description: MCU 8-Bit ATtiny AVR RISC 2KB Flash 3.3V/5V 20-Pin SOIC T/R
• Manufacturer: Atmel

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
58
ATtiny26(L)
Bit
$18 ($38)
Read/Write
Initial Value
Bit
$1B ($3B)
Read/Write
Initial Value
Bit
$1A ($3A)
Read/Write
Initial Value
Bit
$19 ($39)
Read/Write
Initial Value
Bit
$17 ($37)
Read/Write
Initial Value
Bit
$16 ($36)
Read/Write
Initial Value
PORTB7
PORTA7
PINA7
PINB7
DDA7
DDB7
R/W
R/W
R/W
R/W
N/A
N/A
R
R
7
0
7
0
7
7
0
7
0
7
PORTB6
PORTA6
PINA6
PINB6
DDB6
DDA6
R/W
R/W
R/W
R/W
N/A
N/A
R
R
6
0
6
0
6
6
0
6
0
6
PORTB5
PORTA5
PINA5
PINB5
DDA5
DDB5
R/W
R/W
R/W
R/W
N/A
N/A
5
0
5
0
5
R
5
0
5
0
5
R
PORTB4
PORTA4
PINA4
PINB4
DDA4
DDB4
R/W
R/W
R/W
R/W
N/A
N/A
R
R
4
0
4
0
4
4
0
4
0
4
PORTB3
PORTA3
PINA3
PINB3
DDB3
DDA3
R/W
R/W
R/W
R/W
N/A
N/A
R
R
3
0
3
0
3
3
0
3
0
3
PORTB2
PORTA2
PINA2
PINB2
DDA2
DDB2
R/W
R/W
R/W
R/W
N/A
N/A
R
R
2
0
2
0
2
2
0
2
0
2
PORTB1
PORTA1
PINA1
PINB1
DDA1
DDB1
R/W
R/W
R/W
R/W
N/A
N/A
R
R
1
0
1
0
1
1
0
1
0
1
PORTB0
PORTA0
PINA0
PINB0
DDA0
DDB0
R/W
R/W
R/W
R/W
N/A
N/A
R
R
0
0
0
0
0
0
0
0
0
0
1477J–AVR–06/07
PORTB
PORTA
DDRA
DDRB
PINA
PINB