HD6435348R Hitachi Semiconductor, HD6435348R Datasheet - Page 409

• Manufacturer Part Number: HD6435348R
• Description: Single-Chip Microcomputer
• Manufacturer: Hitachi Semiconductor

P1DDR—Port 1 Data Direction Register
Bit
Initial value
Read/Write
P1DR—Port 1 Data Register
Bit
Initial value
Read/Write
P2DDR—Port 2 Data Direction Register
Bit
Initial value
Read/Write
P1
R/W
P1
7
W
—
—
7
DDR P1
0
7
0
7
1
7
R/W
P1
6
W
—
—
6
0
6
0
DDR P1
6
1
6
R/W
P1
5
W
—
—
5
DDR P1
0
5
0
5
1
5
P2
399
R/W
P1
4
4
W
W
4
DDR P1
0
4
0
4
DDR P2
0
4
Port 1 Input/Output Selection
0 Input port
1 Output port
H'FE80
H'FE82
H'FE81
R/W
P1
3
3
W
W
3
0
3
0
DDR P1
3
DDR P2
0
3
Port 2 Input/Output Selection
0 Input port
1 Output port
R/W
P1
2
2
W
W
2
DDR P1
0
2
0
2
0
DDR P2
2
P1
1
1
—
W
W
R
1
0
1
DDR P1
1
DDR P2
0
1
P1
0
Port 1
Port 1
0
Port 2
W
—
R
W
0
DDR
0
0
0
0
DDR
0