NEC PC-8201 Service Manual page 126

Circuit Configuration
ADO-
7
CE
256 x
8
STATIC
PORT A
bPAO-,
PORT B
1QPBO-,
PORT C
13pc0-5
TIMER C L K J
-VCC
(+5 v )
TIMER OUT GND ( 0
V )
(These specifications are subject t o
change without
notice.)
Pin Connections
MSM81C55RS (Top Viewl 4 0 Lead Plastic DIP
APX-E- 18