HD6475328-CP10 HITACHI [Hitachi Semiconductor], HD6475328-CP10 Datasheet - Page 387

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

P9DDR—Port 9 Data Direction Register
Bit
Initial value
Read/Write
P9DR—Port 9 Data Register
Bit
Initial value
Read/Write
P9
R/W
P9
7
W
7
DDR P9
0
7
0
7
R/W
P9
6
W
6
0
6
0
DDR P9
6
R/W
P9
5
W
5
DDR P9
0
5
0
5
378
R/W
P9
4
W
4
DDR P9
0
4
0
4
H'FFFE
H'FFFF
R/W
P9
3
W
3
0
3
0
DDR P9
3
Port 9 Input/Output Selection
0 Input port
1 Output port
R/W
P9
2
W
2
DDR P9
0
2
0
2
R/W
P9
1
W
1
0
1
0
DDR P9
1
R/W
P9
Port 9
0
Port 9
W
0
DDR
0
0
0
0