HD6433044 Datasheet, PDF (816/867 Pages) Hitachi Semiconductor – Hitachi Single-Chip Microcomputer

P9DDR—Port 9 Data Direction Register
H'D0
Port 9
Bit
7
—
Initial value
1
Read/Write
—
6
5
4
3
2
1
0
— P9₅DDR P9₄DDR P9₃DDR P9₂DDR P9₁DDR P9₀DDR
1
0
0
0
0
0
0
—
W
W
W
W
W
W
Port 9 input/output select
0 Generic input
1 Generic output
PADDR—Port A Data Direction Register
H'D1
Port A
Bit
7
6
5
4
3
2
1
0
PA₇ DDR PA₆ DDR PA₅ DDR PA₄ DDR PA₃ DDR PA₂ DDR PA₁ DDR PA₀ DDR
Modes ^{Initial value 1}
0
0
0
0
0
0
0
3, 4, 6 _{Read/Write —}
W
W
W
W
W
W
W
Modes _{Initial value 0}
0
0
0
0
0
0
0
1, 2,
5, 7 ^{Read/Write W}
W
W
W
W
W
W
W
Port A input/output select
0 Generic input
1 Generic output
P9DR—Port 9 Data Register
Bit
7
6
—
—
Initial value
1
1
Read/Write
—
—
H'D2
Port 9
5
P9 ₅
0
R/W
4
P9 ₄
0
R/W
3
P9 ₃
0
R/W
2
P9 ₂
0
R/W
1
P9 ₁
0
R/W
0
P9 ₀
0
R/W
Data for port 9 pins
809