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零件编号
产品描述 (功能)
MSM82C55A-2VJS 查看數據表(PDF) - Oki Electric Industry
零件编号
产品描述 (功能)
生产厂家
MSM82C55A-2VJS
CMOS programmable peripheral interface
Oki Electric Industry
MSM82C55A-2VJS Datasheet PDF : 26 Pages
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¡ Semiconductor
CIRCUIT CONFIGURATION
MSM82C55A-2RS/GS/VJS
V
CC
GND
8
D
0
- D
7
Data
Bus
Buffer
RD
WR
RESET
CS
A
0
A
1
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
PA
0
- PA
7
4
PC
4
- PC
7
4
PC
0
- PC
3
8
PB
0
- PB
7
2/26
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