MSM80C154S/83C154S/85C154HVS
206
Bit
Set
— T32 SERR IZC P3HZ P2HZ P1HZ ALF
76543210
•••••
[IOCON 0F8H]
Q
D
READ
INTERNAL BUS
W PORT
MODIFY
P2-10kΩ
V
CC
P3-100kΩ
I/O
N
PORT1, 2, 3
POWER DOWN
Flag
Figure 5-11 Control circuit for ports 0, 1, 2, 3 by lOCON
