Hitachi H8/3827R Series Hardware Manual page 439

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