CMX868 查看數據表（PDF） - MX-COM Inc

零件编号

产品描述 (功能)

生产厂家

CMX868

Low power V.22 bis 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

QAM/DPSK

MODULATOR

Scrambler

Enable

Descrambler

Enable

QAM/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

S

Tx Level

Control

Tx Output

Buffer

LOCAL

ANALOG

LOOPBACK

Rx Gain

Control

+

-

Rx Input

Amplifier

TXA

TXA

RXA

RXA

RXAFB

VBIAS VDD VSS

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