Datasheet

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