EI82C684 Просмотр технического описания (PDF) - IMP, Inc

Номер в каталоге

Компоненты Описание

производитель

EI82C684

QUAD UART

IMP, Inc 

Semiconductor, Inc.

BLOCK DIAGRAM

Ei68C684

Ei88C684

QUAD UART

TXDx(•)

RXDx

CHANNEL x

TRANSMIT AND

RECEIVE

SHIFT REGISTER

TRANSMIT RECEIVE

HOLDING

FIFO

REGISTER

(3)

MR1x MR2x SRx

INPUT

PORT A

CHANGE

OF

STATE

DETECTORS

(4)

ACRA

IPCRA

INPUT

PORT b

CHANGE

OF

STATE

DETECTORS

(4)

ACRB

IPCRB

OUTPUT

PORT A

FUNCTION

SELECT

LOGIC

OPRA

OPCRA

OUTPUT

PORT B

FUNCTION

SELECT

LOGIC

OPRB

OPCRB

BUS

BUFFER

•

•

OPERATION CONTROL

ADDRESS COMMAND

DECODE DECODE

CRA

CRA

CRA

CRA

•

•

•

INTERNAL DATA BUS

•

•

•

•

INTERRUPT

CONTROL

IVRA

IMRA

ISRA

IVRB

IMRB

IVRB

TIMING

CLOCK SELECTORS

COUNTER

TIMER A

COUNTER

TIMER B

BIT RATE

GENERATOR

CRYSTAL

OSCILLATOR

CSRA CSRC ACRA CTURA CTLRA

CSRB CSRD ACRB CTURB CTLRB

16

Share Link: