Maxim-integrated MAXQ7667 Manual do Utilizador descarregar pdf (Página 157)

8-27 __________________________________________________________________________________________________________

MAXQ7667 User’s Guide

Figur

e 8-8. UAR

T Mode 1

D

IVIDE

BY 4

D7

D6

D5

D4

D3

D2

D1

D0

01

LOAD

CLOCK

TRANSMIT SHIFT REGISTER

S

0

LATCH

RECEIVE DATA BUFFER WR

S

BUF

RD

D7

D6

D5

D4

D3

D2

D1

D0

CLOCK

RECEIVE SHIFT REGISTER

SI

RESET

BAUD

C

LOCK

L

OAD

SERIAL

B

UFFER

LOAD

SERIAL I/O

C

ONTROL

INTS

S

HIFT

READ

SERIAL

B

UFFER

TI

FLAG =

SCON.1

RI

FLAG =

SCON.0

D

IVIDE

BY 16

L

DSBUF

RDSBUF

01

S

BUF

S

MOD

URX

PIN

SYSTEM

C

LOCK

D0 D1 D2 D3 D4 D5 D6 D7

D0 D1 D2 D3 D4 D5 D6

D7

DIVIDE

BY 16

BIT

DETECTION

U

TX

PIN

R

B8 =

SCON.2

BAUD-CLOCK

GENERATOR

START

STOP

START

START

SERIAL

INTERRUPT

D

ATA BUS

RECEIVE TIMING

BIT DETECTOR

SAMPLING

SHIFT

RI

RXD

STOPSTART

TRANSMIT TIMING

LDSBUF

SHIFT

TI

TXD

STOPSTART

1 2 ... 152 153 154 155 156 157 158 159 160 161 162 ... 346 347

Comentários a estes Manuais

Sem comentários