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MSM6688 - ADPCM Solid-State Recorder IC

Description

The MSM6688/6688L is a “solid-state recorder” IC developed using the ADPCM method.

By externally connecting a microphone, a speaker, a speaker drive amplifier, and a dedicated register to store ADPCM data, it can record and play back voice data in a manner similar to a tape recorder.

Features

  • 3 and MSM6688L (3 V Version)).

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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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E2D0026-27-43 ¡ Semiconductor MSM6688/6688L ADPCM Solid-State Recorder IC This version: Jan. 1998 Previous version: May. 1997 GENERAL DESCRIPTION The MSM6688/6688L is a “solid-state recorder” IC developed using the ADPCM method. By externally connecting a microphone, a speaker, a speaker drive amplifier, and a dedicated register to store ADPCM data, it can record and play back voice data in a manner similar to a tape recorder. The MSM6688 supports 5 V operation and has a stand-alone mode and a microcontroller interface mode. The MSM6688L supports 3 V operation and controls recording/playback in microcontroller interface mode. In the stand-alone mode, recording/playback conditions can be selected by pins and the MSM6688/ 6688L can be controlled by a simple drive timing.
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