hd64338023s Renesas Electronics Corporation., hd64338023s Datasheet - Page 644

• Manufacturer Part Number: hd64338023s
• Description: Renesas 8-bit Single-chip Microcomputer Super Low Power Series
• Manufacturer: Renesas Electronics Corporation.

Appendix B Internal I/O Registers
PCR8—Port Control Register 8
Bit
Initial value
Read/Write
PMR9—Port Mode Register 9
Bit
Initial value
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
PCR8
W


7
0
7
1
7
PCR8


W
6
0
6
1
P92 to P90 Step-up Circuit Control
6
0
1
PCR8
Large-current port step-up circuit is turned on
Large-current port step-up circuit is turned off
W


5
0
5
1
5
P91/PWM2 Pin Function Switch
PCR8
0
1
W


4
0
4
1
Functions as P91 output pin
Functions as PWM2 output pin
4
Port 8 Input/Output Select
0 Input pin
1 Output pin
PIOFF/ *
PCR8
P90/PWM1 Pin Function Switch
R/W
0
1
W
3
0
3
0
3
Functions as P90 output pin
Functions as PWM1 output pin
H'EB
H'EC
PCR8
W


W
2
0
2
2
PCR8
PWM2
R/W
W
1
0
1
0
1
PCR8
PWM1
R/W
W
0
0
0
0
I/O Ports
I/O Ports
0