MX809 데이터 시트보기 (PDF) - MX-COM Inc

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MX809

1200bps MSK Modem

MX-COM Inc  

MSK Modem

3

1 Block Diagram

RECOVERED

CLOCK

CHECKSUM

GEN/CHECK

BYTE COUNTER

RX IN

MSK

RECEIVER

RECOVERED

CLOCK

DATA REGISTER 1

DATA REGISTER 2

XTAL/

CLOCK

XTAL

CLOCK

GENERATOR

RX SYNC

DETECT

SYNC/SYNC

DETECT

RX SYNC

DETECT

RX FREEFORMAT

RX DATA BUFFER

TX DATA BUFFER

CS

REPLY

DATA

SERIAL

CLOCK

COMMAND

DATA

C-BUS

INTERFACE

AND

CONTROL

LOGIC

WAKE

INTERRUPT

ENABLE

RX DATA

READY

8-BIT PARALLEL BUS

ADDRESS

DECODER

ADDRESS

SELECT

TX DATA

READY

SYNC PROGRAM

LOW - HIGH

TX IDLE

RX SYNC

DETECT

RX SYNC

DETECT

CONTROL

REGISTER

STATUS

REGISTER

Figure 1: Block Diagram

MX809

VDD

MSK

TRANSMITTER

TX OUT

VBIAS

AMP IN

_

VBIAS

+

AMP OUT

UNCOMMITTED

AMPLIFIER

VSS

INTERRUPT

GENERATOR

IRQ

1998 MX-COM, Inc.

www.mxcom.com Tel: 800 638 5577 336 744 5050 Fax: 336 744 5054

Doc. # 20480036.004

4800 Bethania Station Road, Winston-Salem, NC 27105-1201 USA

All trademarks and service marks are held by their respective companies.

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