attiny13-20ss ATMEL Corporation, attiny13-20ss Datasheet - Page 53

• Manufacturer Part Number: attiny13-20ss
• Description: 8-bit Microcontroller With 1k Bytes In-system Programmable Flash - Atmel Corporation
• Manufacturer: ATMEL Corporation

Register Description for
I/O-Ports
Port B Data Register – PORTB
Port B Data Direction Register
– DDRB
Port B Input Pins Address –
PINB
2535G–AVR–01/07
Bit
Read/Write
Initial Value
Bit
Read/Write
Initial Value
Bit
Read/Write
Initial Value
R
R
R
7
–
0
7
–
0
7
–
0
R
R
R
6
0
6
0
6
0
–
–
–
PORTB5
PINB5
DDB5
R/W
R/W
R/W
N/A
5
0
5
0
5
PORTB4
PINB4
DDB4
R/W
R/W
R/W
N/A
4
0
4
0
4
PORTB3
PINB3
DDB3
R/W
R/W
R/W
N/A
3
0
3
0
3
PORTB2
PINB2
DDB2
R/W
R/W
R/W
N/A
2
0
2
0
2
PORTB1
PINB1
DDB1
R/W
R/W
R/W
N/A
1
0
1
0
1
PORTB0
PINB0
DDB0
R/W
R/W
R/W
N/A
0
0
0
0
0
PORTB
DDRB
PINB
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