MC145574 Просмотр технического описания (PDF) - Motorola => Freescale

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MC145574

ISDN S/T-Interface Transceiver

Motorola => Freescale 

Freescale Semiconductor, Inc.

1.4 BLOCK DIAGRAM

TxP TxN

DGRANT DREQUEST

RxP RxN

ISET

Tx

CORE

Rx

BLOCK

MODULATOR

D CHANNEL

CONTROL

ACT/DEACT

LOGIC

S AND Q

HANDLER

DEMODULATOR AND

TIMING RECOVERY

2B+D

SCP CONTROL AND STATUS

2B+D

EXTALOUT

XTALIN

CLK

LOGIC

SYSTEM BLOCK

IDL2 + SCP + GCI

INTERFACE

3 V REG

VOLTAGE

REG

VDD

CONTROL AND DATA INTERFACE SIGNALS

Figure 1–1. Block Diagram

1.5

PACKAGING

The MC145574 comes in the following packages:

28–Pin, 600 mil Wide, Plastic SOIC

32–Pin, 700 mil Square, TQFP

The pin assignments for the MC145574 are described in Section 7. Package dimensions are in

Section 19.

MOTOROLA

For More InforMmCa1t4io55n7O4 n This Product,

1–3

Go to: www.freescale.com

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