HD64F38024HV Datasheet, PDF (615/684 Pages) Renesas Technology Corp – Hardware Manual Renesas 8-Bit Single-Chip Microcomputer H8 Family/H8/300L Super Low Power Series

PDR8—Port Data Register 8
Appendix B Internal I/O Registers
H'DB
I/O Ports
Bit
Initial value
Read/Write
7
P8₇
0
R/W
6
P8₆
0
R/W
5
P8₅
0
R/W
4
P8₄
0
R/W
3
P8₃
0
R/W
2
P8₂
0
R/W
Data for port 8 pins
1
P8₁
0
R/W
0
P8₀
0
R/W
PDR9—Port Data Register 9
H'DC
I/O Ports
Bit
7
⎯
Initial value
1
Read/Write
⎯
6
5
4
3
2
1
0
⎯
P9₅
P9₄
P9₃
P9₂
P9₁
P9₀
1
1
1
1
1
1
1
⎯
R/W
R/W
R/W
R/W
R/W
R/W
Data for port 9 pins
PDRA—Port Data Register A
Bit
7
6
5
⎯
⎯
⎯
Initial value
1
1
1
Read/Write
⎯
⎯
⎯
H'DD
I/O Ports
4
3
2
1
0
⎯
PA₃
PA₂
PA₁
PA₀
1
0
0
0
0
⎯
R/W
R/W
R/W
R/W
Data for port A pins
PDRB—Port Data Register B
H'DE
I/O Ports
Bit
7
6
5
4
3
2
1
0
PB₇
PB₆
PB₅
PB₄
PB₃
PB₂
PB₁
PB₀
Read/Write
R
R
R
R
R
R
R
R
Read port B pin states
Rev. 8.00 Mar. 09, 2010 Page 593 of 658
REJ09B0042-0800