MSM82C55A-2VJS View Datasheet(PDF) - Oki Electric Industry
Part Name
Description
MFG CO.
'MSM82C55A-2VJS' PDF : 26 Pages View PDF
¡ Semiconductor
CIRCUIT CONFIGURATION
MSM82C55A-2RS/GS/VJS
VCC
GND
8
D0 - D7
Data
Bus
Buffer
RD
WR
RESET
CS
A0
A1
Read/
Write
Control
Logic
8
8
Group A
Control
8
8
Group A
Port A
(8)
4 Group A
Port C
(High Order
4 Bits)
8
Group B
Control
4 Group B
Port C
(Low Order
4 Bits)
8
Group B
Port B
(8)
8
PA0 - PA7
4
PC4 - PC7
4
PC0 - PC3
8
PB0 - PB7
2/26
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