This device provides outstanding performance in ultrasonic applications. The embedded programmable micro controller offers maximum flexibility to adapt to various applications.

The advanced and very reliable echo detection in... read more


  • Suitable for fast data acquisition of sensors in signal function class
  • Supports: - Point-to-point/ Daisy chain bus/ Parallel bus
  • Versatile in-circuit configuration:
    - up to 15 DSI3-slaves
    - up to 16 packets per frame
    - 2 .. 63 bytes of average payload data per packet
  • ISO26262 with safety requirements rated up to ASIL B


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Info Sheet PDF 0 Bytes

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File Description
E521.42 Data Sheet | Errata Sheet

Application Diagram


  • Ultra sonic parking assistant system
  • DSI3 bus networks

Ordering Information

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Part No. Package Order No.
E521.42A QFN20L4 E52142A52C
E521.42A QFN20L4 with SLP E52142A52CXX2


Part No. Description Board type Order No.
E521.42 Ultrasonic DSI3 Master Board (Board + Adapter + Docu) Demoboard K52142-0002

*) Reachable detection range for a standard pole (75mm diameter, 1m height).
Overall system performance depends on external components (transducer, transformer, PCB layout, …) and environmental conditions (supply voltage, noise, ambient temperature, …)

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