HD64F38024HV Datasheet, PDF (618/684 Pages) Renesas Technology Corp – Hardware Manual Renesas 8-Bit Single-Chip Microcomputer H8 Family/H8/300L Super Low Power Series

Appendix B Internal I/O Registers
PCR1—Port Control Register 1
H'E4
Bit
7
6
5
4
3
2
PCR1₇ PCR1₆* ⎯
PCR1₄ PCR1₃
⎯
Initial value
0
0
⎯
0
0
⎯
Read/Write
W
W
W
W
W
W
I/O Ports
1
0
⎯
⎯
⎯
⎯
W
W
Port 1 Input/Output Select
0 Input pin
1 Output pin
Note: * PCR1₆ is not equipped with H8/38124 Group.
PCR3—Port Control Register 3
H'E6
I/O Ports
Bit
Initial value
Read/Write
7
PCR3 ₇
0
W
6
PCR3 ₆
0
W
5
PCR3 ₅
0
W
4
PCR3 ₄
0
W
3
PCR3 ₃
0
W
2
PCR3₂
0
W
1
PCR3₁
0
W
0
PCR3 ₀
0
W
Port 3 Input/Output Select
0 Input pin
1 Output pin
PCR4—Port Control Register 4
H'E7
I/O Ports
Bit
7
6
5
4
3
2
1
0
⎯
⎯
⎯
⎯
⎯
PCR4₂ PCR4₁ PCR4₀
Initial value
1
1
1
1
1
0
0
0
Read/Write
⎯
⎯
⎯
⎯
⎯
W
W
W
Port 4 Input/Output Select
0 Input pin
1 Output pin
Rev. 8.00 Mar. 09, 2010 Page 596 of 658
REJ09B0042-0800