msm82c55a-2rs Oki Semiconductor, msm82c55a-2rs Datasheet - Page 2

• Manufacturer Part Number: msm82c55a-2rs
• Description: Cmos Programmable Peripheral Interface
• Manufacturer: Oki Semiconductor

¡ Semiconductor
CIRCUIT CONFIGURATION
D
RESET
0
GND
- D
WR
V
RD
CS
A
A
CC
7
0
1
8
Control
Buffer
Read/
Write
Logic
Data
Bus
Group A
Group B
Control
Control
8
8
8
8
8
4
4
8
(High Order
(Low Order
Group A
Group A
Group B
Group B
4 Bits)
4 Bits)
Port A
Port C
Port C
Port B
MSM82C55A-2RS/GS/VJS
(8)
(8)
8
4
4
8
PA
PC
PC
PB
0
4
0
0
- PA
- PC
- PC
- PB
2/26
7
7
3
7