HD6475348R Datasheet, PDF (410/487 Pages) Hitachi Semiconductor – Single-Chip Microcomputer

P2DR—Port 2 Data Register
H'FE83
Port 2
Bit
7
6
5
4
3
2
1
0
—
—
—
P24
P23
P22
P21
P20
Initial value
1
1
1
0
0
0
0
0
Read/Write
—
—
—
R/W R/W R/W R/W R/W
P3DDR—Port 3 Data Direction Register
H'FE84
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 Selection
0 Input port
1 Output port
P4DDR—Port 4 Data Direction Register
H'FE85
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 Selection
0 Input port
1 Output port
P3DR—Port 3 Data Register
H'FE86
Port 3
Bit
Initial value
Read/Write
7
P37
0
R/W
6
P36
0
R/W
5
P35
0
R/W
4
P34
0
R/W
3
P33
0
R/W
2
P32
0
R/W
1
P31
0
R/W
0
P30
0
R/W
400