436
PUCR6—Port pull-up control register 6
H'E3
I/O ports
PCR1—Port control register 1
H'E4
I/O ports
PCR3—Port control register 3
H'E6
I/O ports
PCR4—Port control register 4
H'E7
I/O ports
Bit
Initial value
Read/Write
7
—
1
—
6
—
1
—
5
—
1
—
4
—
1
—
3
—
1
—
0
PCR4
0
W
2
PCR4
0
W
1
PCR4
0
W
Port 4 input/output select
0
Input pin
1
Output pin
0
2
1
Bit
Initial value
Read/Write
7
PCR3
0
W
6
PCR3
0
W
5
PCR3
0
W
4
PCR3
0
W
3
PCR3
0
W
0
PCR3
0
W
2
PCR3
0
W
1
PCR3
0
W
Port 3 input/output select
0
Input pin
1
Output pin
0
2
3
4
5
6
7
1
Bit
Initial value
Read/Write
7
PCR1
0
W
6
PCR1
0
W
5
PCR1
0
W
4
PCR1
0
W
3
PCR1
0
W
0
PCR1
0
W
2
PCR1
0
W
1
PCR1
0
W
Port 1 input/output select
0
Input pin
1
Output pin
7
6
5
4
3
2
1
0
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