M80C85AH 데이터 시트보기 (PDF) - Oki Electric Industry

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M80C85AH

CMOS PROGRAMMABLE INTERVAL TIMER

Oki Electric Industry 

¡ Semiconductor

FUNCTIONAL BLOCK DIAGRAM

VCC

GND

8

Data

D7 - D0

Bus

Buffer

8

WR

RD

Read/

Write

A0

Logic

A1

CS

Control

Word

Register

MSM82C53-2RS/GS/JS

Counter

#0

CLK0

GATE0

OUT0

Counter

#1

CLK1

GATE1

OUT1

Counter

#2

CLK2

GATE2

OUT2

Internal Bus

2/19

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