MSM82C55A-2GS Ver la hoja de datos (PDF) - Oki Electric Industry

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MSM82C55A-2GS

CMOS programmable peripheral interface

Oki Electric Industry 

¡ Semiconductor

TIMING DIAGRAM

Basic Input Operation (Mode 0)

RD

Port Input

CS, A1, A0

D7 - D0

tIR

tAR

Basic Output Operation (Mode 0)

WR

D7 - D0

tAW

CS, A1, A0

Port Output

MSM82C55A-2RS/GS/VJS

tRR

tRD

tHR

tRA

tDF

tWW

tDW

tWD

tWA

tWB

Strobe Input Operation (Mode 1)

STB

IBF

INTR

RD

Port Input

tST

tSIB

tSIT

tRIB

tRIT

tPH

tPS

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