MSM7708-02 View Datasheet(PDF) - Oki Electric Industry

Part Name

Description

View to exact match

MSM7708-02

Serial Register Interface ADPCM CODEC for Telephone Recording

Oki Electric Industry 

¡ Semiconductor

BLOCK DIAGRAM

MSM7708-02

SGR

SGT

AIN1–

AIN1+

GSX1

AIN2

GSX2

AOUT+

AOUT–

PWI

VFRO

SAO

T

–

+

–

+

T

1.2 kW

–1

–

1.2 kW +

VREF

RC

Filter

RC

Filter

A/D

Converter

D/A

Converter

To various units

MCU

Interface

Voice

Detect

BPF

Compan-

ATT

der

DTMF

/Tone

Generator

ATT

LPF + +

ATT

Expan-

der

ADPCM

Coder

P/S

&

S/P

ADPCM

Decoder

Noise

Generator

Power

Detect

Serial

Register

Controller

EXCK

DEN

DIN

DOUT

RESET

VOXO

IS

PCMSI

PCMSO

XSYNC

BCLK

RSYNC

PCMRI

PCMRO

IR

DIO

WE

SAD

SAS

TAS

RWCK

CS1

CS2

2/38

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