HD6433044 Datasheet, PDF (812/867 Pages) Hitachi Semiconductor – Hitachi Single-Chip Microcomputer

P2DR—Port 2 Data Register
H'C3
Port 2
Bit
Initial value
Read/Write
7
P2 ₇
0
R/W
6
P2 ₆
0
R/W
5
P2 ₅
0
R/W
4
P2 ₄
0
R/W
3
P2 ₃
0
R/W
2
P2 ₂
0
R/W
Data for port 2 pins
1
P2 ₁
0
R/W
0
P2 ₀
0
R/W
P3DDR—Port 3 Data Direction Register
H'C4
Port 3
Bit
Initial value
Read/Write
7
6
5
4
3
2
1
0
P3₇DDR P3₆DDR P3₅DDR P3₄DDR P3₃DDR P3₂DDR P3₁DDR P3₀DDR
0
0
0
0
0
0
0
0
W
W
W
W
W
W
W
W
Port 3 input/output select
0 Generic input pin
1 Generic output pin
P4DDR—Port 4 Data Direction Register
H'C5
Port 4
Bit
Initial value
Read/Write
7
6
5
4
3
2
1
0
P4₇DDR P4₆DDR P4₅DDR P4₄DDR P4₃DDR P4₂DDR P4₁DDR P4₀DDR
0
0
0
0
0
0
0
0
W
W
W
W
W
W
W
W
Port 4 input/output select
0 Generic input pin
1 Generic output pin
805