HD6475348R Datasheet, PDF (409/487 Pages) Hitachi Semiconductor – Single-Chip Microcomputer

P1DDR—Port 1 Data Direction Register
H'FE80
Port 1
Bit
Initial value
Read/Write
7
6
5
4
3
2
1
0
P17DDR P16DDR P15DDR P14DDR P13DDR P12DDR P11DDR P10DDR
0
0
0
0
0
0
0
0
W
W
W
W
W
W
W
W
Port 1 Input/Output Selection
0 Input port
1 Output port
P2DDR—Port 2 Data Direction Register
H'FE81
Port 2
Bit
7
6
5
4
3
2
1
0
—
—
— P24DDR P23DDR P22DDR P21DDR P20DDR
Initial value
1
1
1
0
0
0
0
0
Read/Write
—
—
—
W
W
W
W
W
Port 2 Input/Output Selection
0 Input port
1 Output port
P1DR—Port 1 Data Register
H'FE82
Port 1
Bit
7
6
5
4
3
2
1
0
P17
P16
P15
P14
P13
P12
P11
P10
Initial value
0
0
0
0
0
0
—
—
Read/Write
R/W R/W R/W R/W R/W R/W
R
R
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