MC145426 Просмотр технического описания (PDF) - Motorola => Freescale

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производитель

MC145426

Universal Digital Loop Transceivers (UDLT)

Motorola => Freescale 

MC145422 MASTER UDLT BLOCK DIAGRAM

LO1

+1

MODULATION BUFFER

*

LO2

–1

CCI

MSI

LI

RECEIVE

REGISTER

*

SEQUENCE

*

AND

CONTROL

*

VD CONTROL

* — SE controlled latch

DEMODULATION BUFFER

*

TRANSMIT

REGISTER

MC145426 SLAVE UDLT BLOCK DIAGRAM

LO1

+1

MODULATION BUFFER

LO2

–1

LOOPBACK

CONTROL

RECEIVE

TONE

GEN.

REGISTER

LB

TE

POWER–

PD

DOWN

CONTROL

SEQUENCE

AND

CONTROL

X2

OSC

X1

VD CONTROL

LI

DEMODULATION BUFFER

*

TRANSMIT

REGISTER

SI1

SI2

SE

RE1

Rx

LB

PD

SIE

VD

SO1

SO2

Tx

TE1

TDC/RDC

SI1

SI2

Rx

RE1

Mu/A

CLK

VD

SO1

SO2

Tx

TE1

MOTOROLA

MC145422•MC145426

3

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