Port 5; Overview; Register Configuration And Description - Hitachi HD6473867 Hardware Manual

8.8 Port 8

8.8.1 Overview

Port 8 is an 8-bit I/O port configured as shown in figure 8-7.

8.8.2 Register Configuration and Description

Table 8-20 shows the port 8 register configuration.
Table 8-20 Port 8 Registers
Name
Port data register 8
Port control register 8
Port 8
Figure 8-7 Port 8 Pin Configuration
Abbrev. R/W
PDR8 R/W
PCR8 W
162
P8 /SEG /CL
7 32 1
P8 /SEG /CL
6 31 2
P8 /SEG /DO
5 30
P8 /SEG /M
4 29
P8 /SEG
3 28
P8 /SEG
2 27
P8 /SEG
1 26
P8 /SEG
0 25
Initial Value
H'00
H'00
Address
H'FFDB
H'FFEB