hd64338023s Renesas Electronics Corporation., hd64338023s Datasheet - Page 645

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

PCRA—Port Control Register A
Bit
Initial value
Read/Write
PMRB—Port Mode Register B
Bit
Initial value
Read/Write


7
1


7
1


6
1


6
1


5
1


5
1


4
1


4
1
PCRA
Rev. 7.00 Mar 10, 2005 page 603 of 652
Port A Input/Output Select
W
3
0
IRQ1
0 Input pin
1 Output pin
R/W
PB
3
0
0
1
3
H'ED
H'EE
3
/AN
Appendix B Internal I/O Registers
Functions as PB
Functions as IRQ
PCRA
3
W
2
0
/IRQ

2
1

2
1
Pin Function Switch
PCRA
W
1
0
REJ09B0042-0700


1
1
3
/AN
1
1
input pin
PCRA
3
input pin
W
0
0
I/O Ports
I/O Ports

0
1

0