HD6433935 Hitachi, HD6433935 Datasheet - Page 182

• Manufacturer Part Number: HD6433935
• Description: 8-Bit MICROCONTROLLER
• Manufacturer: Hitachi

8.10
8.10.1
Port 9 is a 4-bit I/O port. Figure 8-9 shows its pin configuration.
8.10.2
Table 8-26 shows the port 9 register configuration.
Table 8-26 Port 9 Registers
Name
Port data register 9
Port control register 9
170
Port 9
Overview
Register Configuration and Description
Figure 8-9 Port 9 Pin Configuration
Abbrev.
PDR9
PCR9
Port 9
R/W
R/W
R
P9
P9
P9
P9
3
2
1
0
Initial Value
H'00
H'F0
Address
H'FFDC
H'FFEC