HD64F38024HV Datasheet, PDF (620/684 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
PCR8—Port Control Register 8
H'EB
I/O Ports
Bit
Initial value
Read/Write
7
PCR8₇
0
W
6
PCR8₆
0
W
5
PCR8₅
0
W
4
PCR8₄
0
W
3
PCR8₃
0
W
2
PCR8₂
0
W
1
PCR8₁
0
W
0
PCR8₀
0
W
Port 8 Input/Output Select
0 Input pin
1 Output pin
PMR9—Port Mode Register 9
Bit
7
6
5
⎯
⎯
⎯
Initial value
1
1
1
Read/Write
⎯
⎯
⎯
H'EC
4
3
2
⎯ PIOFF/⎯^* ⎯
1
0
⎯
⎯
R/W
W
I/O Ports
1
PWM2
0
R/W
0
PWM1
0
R/W
P90/PWM1 Pin Function Switch
0 Functions as P90 output pin
1 Functions as PWM1 output pin
P91/PWM2 Pin Function Switch
0 Functions as P91 output pin
1 Functions as PWM2 output pin
P92 to P90 Step-up Circuit Control
0 Large-current port step-up circuit is turned on
1 Large-current port step-up circuit is turned off
Note: * Readable/writable reserved bit in the H8/38024S Group and H8/38124 Group.
Rev. 8.00 Mar. 09, 2010 Page 598 of 658
REJ09B0042-0800