Datasheet

Appendix B Internal I/O Registers
Rev. 6.00 Aug 04, 2006 page 616 of 680
REJ09B0145-0600
PCR1—Port Control Register 1 H'E4 I/O ports
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
76543210
PCR2—Port Control Register 2 H'E5 I/O ports
Bit
Initial value
Read/Write
7
PCR2
7
0
W
6
PCR2
6
0
W
5
PCR2
5
0
W
4
PCR2
4
0
W
3
PCR2
3
0
W
0
PCR2
0
0
W
2
PCR2
2
0
W
1
PCR2
1
0
W
Port 2 input/output select
0 Input pin
1 Output pin
PCR3—Port Control Register 3 H'E6 I/O ports
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
0234567 1