Renesas H8 Series Hardware Manual page 644

Appendix B Internal I/O Registers
PCR8—Port Control Register 8
Bit 7
PCR8
Initial value 0
Read/Write W
PMR9—Port Mode Register 9
Bit 7

Initial value 1

Read/Write
Note: * Readable/writable reserved bit in the H8/38024S Group and H8/38124 Group.
Rev. 7.00 Mar 10, 2005 page 602 of 652
REJ09B0042-0700
6 5
PCR8 PCR8
7 6 5
0 0
W W
6 5
 
1 1
 
P92 to P90 Step-up Circuit Control
Large-current port step-up circuit is turned on
0
1 Large-current port step-up circuit is turned off
H'EB
4 3
PCR8 PCR8 PCR8
4 3
0 0
W W
Port 8 Input/Output Select
0 Input pin
1 Output pin
H'EC
4 3
PIOFF/ *

1 0

R/W
P90/PWM1 Pin Function Switch
Functions as P90 output pin
0
Functions as PWM1 output pin
1
P91/PWM2 Pin Function Switch
0 Functions as P91 output pin
Functions as PWM2 output pin
1
I/O Ports
2 1 0
PCR8 PCR8
2 1
0 0 0
W W W
I/O Ports
2 1 0

PWM2 PWM1

0 0
W R/W R/W
0