Port 9; Overview; Register Configuration And Description - Hitachi H8/3937 Series Hardware Manual

8.10

Port 9

8.10.1

Overview

Port 9 is a 4-bit I/O port. Figure 8-9 shows its pin configuration.
8.10.2

Register Configuration and Description

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
Figure 8-9 Port 9 Pin Configuration
Abbrev. R/W
PDR9 R/W
PCR9 R
P9
3
P9
2
P9
1
P9
0
Initial Value
H'00
H'F0
Address
H'FFDC
H'FFEC