MX867P4 데이터 시트보기 (PDF) - MX-COM Inc

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MX867P4

Low Power V.22 Modem

MX-COM Inc  

RDRV

IRQ

SERIAL

CLOCK

COMMAND

DATA

CS

REPLY

DATA

RD

RT

FSK

MODULATOR

C-BUS

SERIAL

INTERFACE

+

Tx / Rx

DATA

REGISTERS

& USART

RING

DETECTOR

DPSK

MODULATOR

Scrambler Enable

Descrambler Enable

DPSK

DEMODULATOR

FSK

DEMODULATOR

MODEM

ENERGY

DETECTOR

Xtal Osc and

Clock Dividers

XTAL / CLOCK XTAL

TRANSMIT

FILTER &

EQUALIZER

DTMF/TONE

GENERATOR

RECEIVE

MODEM

FILTER &

EQUALIZER

DTMF/TONE/

CALL PROG/

ANSWER TONE

DETECTOR

Σ

Tx Level

Control

Tx Output

Buffer

LOCAL

ANALOG

LOOPBACK

Rx Gain

Control

+

-

Rx Input

Amplifier

TXA

TXA

RXA

RXA

RXAFB

VBI AS VDD VSS

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