MC145505DW 데이터 시트보기 (PDF) - Motorola => Freescale

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MC145505DW

PCM Codec-Filter Mono-Circuit

Motorola => Freescale 

MC145500/01/02/03/05 PCM CODEC–FILTER MONO–CIRCUIT BLOCK DIAGRAM

RxO

1

FREQUENCY

Rx

RDD

D/A

RECEIVE SHIFT

REGISTER

RCE

RDC

RxG

Rx

VDD

–

RxO

400 µA

+

VDD

SHARED

DAC

÷ 1, 12, 16, 20

CCI PRESCALER

CCI

VSS

VAG

+

2.5 V

REF

MSI

–

SEQUENCE

AND

VLS

VSS

Vref

RSI

TxI

CONTROL

PDI

RSI

CIRCUITRY

– Tx

–

TRANSMIT SHIFT

TDD

+ Tx

+

A/D

FREQUENCY

FREQUENCY

REGISTER

TDE

TDC

NOTES:

Controlled by VLS

Rx ≈ 100 kΩ (internal resistors)

MC145500•MC145501•MC145502•MC145503•MC145505

2

MOTOROLA

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