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