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MSM7580 Datasheet Itu-t G.721 Adpcm Transcoder

Manufacturer: OKI Electric

Overview: E2U0031-39-61 ¡ Semiconductor MSM7580 ¡ Semiconductor ITU-T G.721 ADPCM TRANSCODER This version: Jun. 1999 MSM7580 Previous version: Aug.

Datasheet Details

Part number MSM7580
Manufacturer OKI Electric
File Size 207.62 KB
Description ITU-T G.721 ADPCM TRANSCODER
Datasheet MSM7580_OKI.pdf

General Description

The MSM7580 is an ADPCM transcoder which is used by the new digital cordless system.

It converts 64 kbps voice PCM serial data to 32 kbps ITU-T G.721 ADPCM serial data, and vice versa.

This device consists of two systems with full-duplex voice data channels and a data-through mode.

Key Features

  • Conforms to ITU-T G.721.
  • Built-in Full-duplex Transcoder with Two Data channels.
  • PCM companding Law: A-law/µ -law selectable.
  • Synchronized Operation between coder and decoder, and between two channels.
  • Serial PCM Data Transmission Speed: 64 kbps to 2048 kbps.
  • Serial ADPCM Data Transmission Speed: 32 kbps to 2048 kbps.
  • Hardware Reset.
  • ITU-T G.721 Optional Reset.
  • for each channel.
  • Power Down Control for eac.

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MSM7580 Distributor