434
PDRB—Port data register B
H'DE
I/O ports
Bit
Initial value
Read/Write
7
PB
R
6
PB
R
5
PB
R
4
PB
R
3
PB
R
0
PB
R
2
PB
R
1
PB
R
3
0
2
1
4
5
6
7
PUCR1—Port pull-up control register 1
H'E0
I/O ports
Bit
Initial value
Read/Write
7
PUCR1
0
R/W
6
PUCR1
0
R/W
5
PUCR1
0
R/W
4
PUCR1
0
R/W
3
PUCR1
0
R/W
0
PUCR1
0
R/W
2
PUCR1
0
R/W
1
PUCR1
0
R/W
0
4
3
2
1
5
6
7
PUCR3—Port pull-up control register 3
H'E1
I/O ports
Bit
Initial value
Read/Write
7
PUCR3
0
R/W
6
PUCR3
0
R/W
5
PUCR3
0
R/W
4
PUCR3
0
R/W
3
PUCR3
0
R/W
0
PUCR3
0
R/W
2
PUCR3
0
R/W
1
PUCR3
0
R/W
0
2
3
4
5
6
7
1
PUCR5—Port pull-up control register 5
H'E2
I/O ports
Bit
Initial value
Read/Write
7
PUCR5
0
R/W
6
PUCR5
0
R/W
5
PUCR5
0
R/W
4
PUCR5
0
R/W
3
PUCR5
0
R/W
0
PUCR5
0
R/W
2
PUCR5
0
R/W
1
PUCR5
0
R/W
3
0
2
1
4
5
6
7
PUCR6—Port pull-up control register 6
H'E3
I/O ports
Bit
Initial value
Read/Write
7
PUCR6
0
R/W
6
PUCR6
0
R/W
5
PUCR6
0
R/W
4
PUCR6
0
R/W
3
PUCR6
0
R/W
0
PUCR6
0
R/W
2
PUCR6
0
R/W
1
PUCR6
0
R/W
3
0
2
1
4
5
6
7