HD6433044 Datasheet, PDF (811/867 Pages) Hitachi Semiconductor – Hitachi Single-Chip Microcomputer

P1DDR—Port 1 Data Direction Register
H'C0
Port 1
Bit
7
6
5
4
3
2
1
0
P1₇ DDR P1₆ DDR P1₅ DDR P1₄ DDR P1₃ DDR P1₂ DDR P1₁ DDR P1₀ DDR
Modes ^{Initial value 1}
1
1
1
1
1
1
1
1 to 4 _{Read/Write —}
—
—
—
—
—
—
—
Modes ^{Initial value 0}
0
0
0
0
0
0
0
5 to 7 _{Read/Write W}
W
W
W
W
W
W
W
Port 1 input/output select
0 Generic input pin
1 Generic output pin
P2DDR—Port 2 Data Direction Register
H'C1
Port 2
Bit
7
6
5
4
3
2
1
0
P2₇ DDR P2₆ DDR P2₅ DDR P2₄ DDR P2₃ DDR P2₂ DDR P2₁ DDR P2₀ DDR
Modes ^{Initial value 1}
1
1
1
1
1
1
1
1 to 4 _{Read/Write —}
—
—
—
—
—
—
—
Modes ^{Initial value 0}
0
0
0
0
0
0
0
5 to 7 _{Read/Write W}
W
W
W
W
W
W
W
Port 2 input/output select
0 Generic input pin
1 Generic output pin
P1DR—Port 1 Data Register
H'C2
Port 1
Bit
Initial value
Read/Write
7
P1₇
0
R/W
6
P1₆
0
R/W
5
P1₅
0
R/W
4
P1₄
0
R/W
3
P1₃
0
R/W
2
P1₂
0
R/W
Data for port 1 pins
1
P1₁
0
R/W
0
P1₀
0
R/W
804