MSM7570-01 查看數據表（PDF） - Oki Electric Industry

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MSM7570-01

Multi-Function ADPCM CODEC

Oki Electric Industry 

AIN1–

AIN1+

GSX1

AIN2

GSX2

AOUT+

AOUT–

PWI

VFRO

SAO+

SAO–

SG

–

+

Voice

Detect

–

+

–1

RC

A/D

Filter

Conv.

BPF

Compan-

der

ADPCM

P

/

CODER

S

DTMF/other

Tone Generator

Side tone gain adjust

Transmit gain adjust

Tone gain adjust

S

TXMUTE

/

P

P

/

S

–

Noise Generator

Power Detect

S

/

+

P

RC

Filter

D/A

Conv.

LPF

++

Receive gain adjust

RXMUTE

P

/

S

Ex-

pan-

der

ADPCM

S

DECODER

/

P

+1

–1

MCU Interface

Clock/Timing

VREF

VOXO

XSYNC

IS

PCMSI

PCMSO

BCLK

PCMRI

PCMRO

IR

RSYNC

VOXI

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