MC68194(2006) Ver la hoja de datos (PDF) - ON Semiconductor

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componentes Descripción

Fabricante

MC68194
(Rev.:2006)

Carrier Band Modem (CBM)

ON Semiconductor 

RESET

MC68194

TXDIS

AMPLIFICATION

AND

WAVESHAPING

SMREQ*

TXSYM2

TXSYM1

TXSYM0

TXCLK

XTAL1

SERIAL DATA COMMANDS

INTERFACE

DECODER

BUFFER

STATION

MANAGEMENT

COMMANDS

TRANSMIT

MODULATOR

CLOCK

GENERATOR

XTAL2

SMIND*

RXSYM2

RXSYM1

RXSYM0

EOTDIS*

SM MODE

OUTPUT

MUX

LOOPBACK

PHYSICAL

MANAGEMENT

RECEIVE

MUX

RECEIVE

DEMODULATOR

BUFFER

JABBER

CONTROL

RECEIVE

AMPLIFIER

AND SQUELCH

RXCLK

BUFFER

ONE SHOT

CARRIER

DETECT

CLOCK

RECOVERY

AND

SYNCHRONIZE

TXOUT

TXOUT*

VCC

JAB−RC

JAB

FDBK*

RXIN

RXIN*

FDBK

THRESHOLD

GAIN

CARDET

RECEIVE

PRE−AMP

F−CONNECTOR

CPW

RPW VCM−C1

D* U* VCX

SET−PW

+5 V

PLL

FILTER

Figure 1−5. Functional Block Diagram

The clock recovery and data decoder is a synchronous data links, fiberoptic modems, and proprietary LANs. The

design which provides superior performance minimizing MC68194 can be used over a wide range of frequencies and

clock jitter.

interfaces easily into different kinds of media.

Although primarily intended for the IEEE 802.4 carrier

band, the CBM is also an excellent device for point−to−point

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