Siemens EF 88H Series Manual de usuario descargar pdf (Pagina 74)

Semiconductor Group 6-40

On-Chip Peripheral Components

C501

Figure 6-21

Serial Interface, Mode 1, Functional Diagram

MCS02103

Internal Bus

1

SBUF

Zero Detector

D

S

CLK

Q

Data

Send

1-to-0

Transition

Detector

TX Control

Shift

Start

TX Clock

RX Control

Start

Load

Shift

SBUF

Sample

Bit

Detector

(9Bits)

Input Shift Register

1FF

SBUF

Internal Bus

Write

to

SBUF

TXD

Baud

Rate

Clock

RXD

Shift

Load

SBUF

Read

SBUF

1

&

÷ 16

÷ 16

RX

Interrupt

Port

Serial

1

TI

RI

H

_

<

_

<

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