XR68C92 View Datasheet(PDF) - Exar Corporation

Part Name

Description

Manufacturer

XR68C92

DUAL UNIVERSAL ASYNCHRONOUS RECEIVER AND TRANSMITTER

Exar Corporation 

XR68C92/192

A 4 -A 1

R /-W

-C S

D 7 -D 0

-D A C K

A 4 -A 1

R /-W

-C S

D 7 -D 0

-D A C K

TAS

TRWS

TAH

TRWH

TCSL

TDD

Valid D ata

TDF

TCSH

TAKT

TAKL

TAKH

R ead C ycle Tim ing

TAS

TAH

TRWS

TRWH

TCSL

TDS

TDH

TAKT

TCSH

TAKL

TAKH

W rite C ycle Tim ing

Figure 2: Bus Timing (Read/Write cycle)

Rev. P1.10

26

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