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SAA7346 - Shock absorbing RAM addresser

Description

The SAA7346 can be used to make a CD player insensitive to shocks.

To do this, SAA7346 operates closely with a standard 1 Mbit or 4 Mbit DRAM.

Audio data is stored inside the DRAM and during shocks the data of the DRAM can be played.

Features

  • Absorbs shocks from x, y and z directions.
  • Absorbs rotational shocks.
  • Absorbs multiple shocks per second.
  • Interfaces directly to compact disc decoders SAA7345, SAA7347 and SAA7370.
  • Multi-speed I2S-bus input with single-speed I2S-bus output.
  • Controls 1 or 4 MBit of external Dynamic Random Access Memory (DRAM).
  • Easy serial interface for communication with common microcontrollers.
  • Software selectable shock detectors.

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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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INTEGRATED CIRCUITS DATA SHEET SAA7346 Shock absorbing RAM addresser Preliminary specification File under Integrated Circuits, IC01 July 1994 Philips Semiconductors Philips Semiconductors Preliminary specification Shock absorbing RAM addresser FEATURES • Absorbs shocks from x, y and z directions • Absorbs rotational shocks • Absorbs multiple shocks per second • Interfaces directly to compact disc decoders SAA7345, SAA7347 and SAA7370 • Multi-speed I2S-bus input with single-speed I2S-bus output • Controls 1 or 4 MBit of external Dynamic Random Access Memory (DRAM) • Easy serial interface for communication with common microcontrollers • Software selectable shock detectors • By-pass/power-down mode • Kill interface for DAC deactivation • Can be used for: – ‘sampling’ part of a disc – to r
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