XR68C92CJ View Datasheet(PDF) - Exar Corporation

Part Name

Description

MFG CO.

XR68C92CJ

DUAL UNIVERSAL ASYNCHRONOUS RECEIVER AND TRANSMITTER

Exar Corporation 

Block Diagram

D 0-D 7

R /-W

-R E S E T

-D T A C K

-IA C K

A 1-A 4

-C S

-IN T

XTAL1

XTAL2

Rev. P1.10

XR68C92/192

Transm it

FIFO

R eg isters

F lo w

C o n tro l

Logic

R eceive

FIFO

R eg isters

F lo w

C o n tro l

Logic

Transm it

Shift

R eg ister

R eceive

Shift

R eg ister

TX A/B

RX A/B

I/O

C o n tro l

Logic

O P 0-O P 7

IP0-IP5

3

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