See Ports as General Digital I/O from Related Links.
Name:
DDRB
Offset:
0x006
Reset:
0x00
Bit
7
6
5
4
3
2
1
0
DDRB7
DDRB6
DDRB5
DDRB4
DDRB3
DDRB2
DDRB1
DDRB0
Access
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Reset
0
0
0
0
0
0
0
0
Bit 7 – DDRB7
Bit 6 – DDRB6
Bit 5 – DDRB5
Bit 4 – DDRB4
Bit 3 – DDRB3
Bit 2 – DDRB2
Bit 1 – DDRB1
Bit 0 – DDRB0
The online versions of the documents are provided as a courtesy. Verify all content and data in the device’s PDF documentation found on the device product page.