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MSM9888L - Flash-driving Recording and Playback IC

General Description

The MSM 9888L is a recording and playback IC that is controlled by the micro-controller in serial mode, compresses voice with the Oki ADPCM system with high tone quality, and directly stores voice data inthe serial voice flash momory.

Key Features

  • Voice analyzing and synthesizing system : 4-bit OKI ADPCM system.
  • 8-bit OKI non-linear PCM system (for ROM playback only).
  • Built-in 12-bit A/D.
  • D/A converter.
  • Built-in LPF : Attenuation rate.
  • 40 dB/oct.
  • Sampling frequency (for 4.096 MHz of source oscillation frequency) : 2.0 kHz, 2.7 kHz, 3.2kHz, 4.0 kHz, 5.3 kHz, 6.4 kHz, 8 kHz.
  • External memory for variable message : 1Mb, 2Mb, 4Mb, 8Mb, serial voice flash memory.
  • Recor.

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Datasheet Details

Part number MSM9888L
Manufacturer OKI Electric
File Size 106.54 KB
Description Flash-driving Recording and Playback IC
Datasheet download datasheet MSM9888L Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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E2D0083-27-44 ¡ Semiconductor MSM9888L ¡ Semiconductor Flash-driving Recording and Playback IC This version:MSM9888L Jan. 1998 Previous version: May. 1997 Pr el im in ar y GENERAL DESCRIPTION The MSM 9888L is a recording and playback IC that is controlled by the micro-controller in serial mode, compresses voice with the Oki ADPCM system with high tone quality, and directly stores voice data inthe serial voice flash momory. This IC can operate in a range of 2.7 to 3.6 V and contains a mask ROM. Since the package is small and backup is not needed, this recording and playback IC is suitable for the voice system such as handy terminals.