HD64F3644PV Datasheet, PDF (500/551 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

Appendix B Internal I/O Registers
PDR7—Port data register 7
H'FFDA
I/O ports
Bit
7
6
5
4
3
2
1
P7 ₇
P7₆
P7₅
P7₄
P7₃
—
—
Initial value
0
0
0
0
0
0
0
Read/Write
R/W R/W R/W R/W R/W
—
—
PDR8—Port data register 8
H'FFDB
0
—
0
—
I/O ports
Bit
Initial value
Read/Write
7
P8 ₇
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
1
P8₁
0
R/W
0
P8₀
0
R/W
PDR9—Port data register 9
H'FFDC
I/O ports
Bit
7
6
5
4
3
2
1
0
—
Initial value
0
—
—
P9₄
P9₃
P9₂
P9₁
P9₀
0
0
0
0
0
0
0
Read/Write
—
—
—
R/W
R/W
R/W
R/W
R/W
PDRB—Port data register B
H'FFDD
I/O ports
Bit
7
6
5
4
3
2
1
0
PB ₇
PB ₆
PB ₅
PB ₄
PB ₃
PB ₂
PB ₁
PB ₀
Read/Write
R
R
R
R
R
R
R
R
Rev. 6.00 Sep 12, 2006 page 478 of 526
REJ09B0326-0600