HD64F3039F18 Datasheet, PDF (667/710 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer H8 Family / H8/300H Series

Appendix B Internal I/O Register Field
PADR—Port A Data Register
H'D3
Port A
Bit
Initial value
Read/Write
7
PA ₇
0
R/W
6
PA ₆
0
R/W
5
PA ₅
0
R/W
4
PA ₄
0
R/W
3
PA ₃
0
R/W
2
PA ₂
0
R/W
1
PA ₁
0
R/W
0
PA ₀
0
R/W
Data for port A pins
PBDDR—Port B Data Direction Register
H'D4
Port B
Bit
7
6
5
4
3
2
1
0
PB₇ DDR — PB₅ DDR PB₄ DDR PB₃ DDR PB₂ DDR PB₁ DDR PB₀ DDR
Initial value
0
0
0
0
0
0
0
0
Read/Write
W
W
W
W
W
W
W
W
Port B input/output select
0 Generic input
1 Generic output
PBDR—Port B Data Register
H'D6
Port B
Bit
Initial value
Read/Write
7
PB ₇
0
R/W
6
5
4
3
2
—
PB ₅
PB ₄
PB ₃
PB ₂
0
0
0
0
0
R/W R/W R/W R/W R/W
1
PB ₁
0
R/W
0
PB ₀
0
R/W
Data for port B pins
Rev.3.00 Mar. 26, 2007 Page 643 of 682
REJ09B0353-0300