HD6475328-CP10 HITACHI [Hitachi Semiconductor], HD6475328-CP10 Datasheet - Page 382

• Manufacturer Part Number: HD6475328-CP10
• Description: original Hitachi CMOS microcomputer unit (MCU)
• Manufacturer: HITACHI [Hitachi Semiconductor]

P1DDR—Port 1 Data Direction Register
Bit
Initial value
Read/Write
P1DR—Port 1 Data Register
Bit
Initial value
Read/Write
P1
R/W
P1
7
W
7
0
7
0
DDR P1
7
R/W
P1
6
W
6
0
6
0
DDR P1
6
R/W
P1
5
W
5
DDR P1
0
5
0
5
373
R/W
P1
4
W
4
0
4
0
DDR P1
4
Port 1 Input/Output Selection
0 Input port
1 Output port
H'FF80
H'FF82
R/W
P1
3
W
3
DDR P1
0
3
0
3
R/W
P1
2
W
2
DDR P1
0
2
0
2
P1
1
—
W
R
1
0
1
DDR P1
1
P1
Port 1
0
Port 1
—
W
R
0
DDR
0
0
0