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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.
PDR8
PCR8
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
R/W
Initial Value
R/W
H'00
W
H'00
Address
H'FFDB
H'FFEB
163
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