MSM7581 View Datasheet(PDF) - Oki Electric Industry

Part Name

Description

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MSM7581

ITU-T G.721 4ch ADPCM TRANSCODER

Oki Electric Industry 

¡ Semiconductor

MSM7581

DECODER

SYNCA

SIA

BCLKA

THR

ADPCM side SYNC (SYXA)

ADPCM Input (SIA)

Internal Latch timing (A)

Internal Input Data

Serial 8

Parallel

Latch

Through-data

8b

ADPCM

DECODER

Latch timing=A

MSB

LSB

PCM side SYNC (SYXP)

Throgh-data output (SOP)

BCLKP

THR

S

E

L

8b

Parallel

Serial

SYNCP

SOP

BCLKP

Through-data

This data is output here.

MSB

Less than are BCLKP cycle

from the rising edge of SYXA signal.

100ns or more

13/18

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