Dual DSI3 Leader Transceiver for Automotive Applications

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Block Diagram

SA0528 Airbag System PSI5 Protocol

SA0528 Airbag System PSI5 Protocol


  • Two independent DSI3 leader channels
  • Supports Command and Response mode for follower configuration
  • Supports PDCM for periodic follower data transfers
  • Supports Discovery mode for follower physical address self-programming
  • 10 MHz 32-bit dual SPI
    • Main SPI for device configuration and DSI3 operation
    • Redundant SPI for safety purposes
  • Point-to-point, parallel, daisy chain bus topologies

Target Applications

  • Automotive airbag and safety
  • Industrial Systems
  • Sense and trigger applications


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