CMX624 데이터 시트보기 (PDF) - MX-COM Inc

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CMX624

Bell 202 and V.23 Modem with Call Progress and DTMF

MX-COM Inc  

Bell 202 and V.23 Compatible Modem

3

1 Block Diagram

IRQ

CS

µC CLK

RXD

TXD

Serial

Interface

+

Tx/Rx Data

UART

Ring & Line

Reversal Detect

Call Progress

and

Data Detect

FSK

De-modulator

Xtal Osc and

Clock Dividers

Receive

Filter and

Equalizer

FSK/DTMF

Modulator

Transmit

Filter

VBIAS

CMX624 Preliminary Information

RT

RD

XTAL/CLK

XTAL

RX-

RX+

RXAMPOUT

TXIN-

TX+

Passive

Hybrid

Network

2 or 4

Wire Line

TX-

TX

RLYDRV

Figure 1: Block Diagram

©1999 MX-COM, Inc.

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

Doc. # 20480180.108

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

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