MC14469FN Просмотр технического описания (PDF) - Motorola => Freescale

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Компоненты Описание

производитель

MC14469FN

Addressable Asynchronous Receiver/Transmitter

Motorola => Freescale 

RESET

CLEAR COMMAND LATCH

RESET SEL

RESET VAL

INITIALIZE RECEIVER

Y

MSB

N

= 1?

Y

VAL

SET?

VAL

N

SET?

N

Y

Y

SEL

SET?

N

N

ADDRESS

VALID?

Y

SET

VAL

COMMAND

N

VALID?

Y

LATCH

COMMAND

ISSUE

CS

ISSUE

VAP

SET

SEL

N

8 BIT

TIMES?

Y

RESET

SEL

Figure 8. Flow Chart of MC14469 Operation

RESET

INITIALIZE

TRANSMITTER

N

SEND

=1?

Y

N

SEL

SET?

Y

RESET VAL

AND SEL

N

PREVIOUS

TRANSMISSION

COMPLETE?

Y

LATCH

STATUS

TRANSMIT

ID

TRANSMIT

STATUS

MC14469

8

MOTOROLA

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