hd64338023s Renesas Electronics Corporation., hd64338023s Datasheet - Page 639

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

PDR8—Port Data Register 8
Bit
Initial value
Read/Write
PDR9—Port Data Register 9
Bit
Initial value
Read/Write
PDRA—Port Data Register A
Bit
Initial value
Read/Write
PDRB—Port Data Register B
Bit
Read/Write
R/W
P8
PB




R
7
0
7
1
7
1
7
7
7
R/W
PB
P8




R
6
0
6
1
6
1
6
6
6
R/W
R/W
PB
P8
P9


R
5
0
5
1
5
1
5
5
5
5
Read port B pin states
Data for port 8 pins
Data for port 9 pins
R/W
R/W
P8
P9
PB


R
4
0
4
1
4
1
4
4
4
4
Rev. 7.00 Mar 10, 2005 page 597 of 652
R/W
R/W
PA
R/W
PB
P8
P9
R
3
0
3
1
3
0
3
3
3
3
3
H'DB
H'DC
H'DD
H'DE
Appendix B Internal I/O Registers
Data for port A pins
R/W
R/W
R/W
PA
PB
P8
P9
R
2
0
2
1
2
0
2
2
2
2
2
R/W
R/W
R/W
PA
PB
P8
P9
R
1
0
1
1
1
0
1
REJ09B0042-0700
1
1
1
1
R/W
R/W
PA
R/W
PB
P8
P9
R
0
0
0
1
0
0
0
I/O Ports
I/O Ports
I/O Ports
I/O Ports
0
0
0
0