Renesas H8 Series Hardware Manual page 642
8-bit single-chip microcomputer
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- Hardware manual (551 pages) ,
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- Hardware manual (434 pages)
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Appendix B Internal I/O Registers
PCR1—Port Control Register 1
Bit
7
PCR1
Initial value
0
Read/Write
W
Note: * PCR1
is not equipped with H8/38124 Group.
6
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
Rev. 7.00 Mar 10, 2005 page 600 of 652
REJ09B0042-0700
6
5
*
PCR1
7
6
0
W
W
6
5
PCR3
PCR3
7
6
5
0
0
W
W
6
5
1
1
H'E4
4
3
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
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
W
0
0
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