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Flexray switch

More bandwidth and better robustness in Flexray networks

  • Industry
  • Bus Systems
  • Published:
ATZelektronik worldwide Aims and scope

Abstract

NXP presents in this article a design of a Flexray switch, which enables to increase the available bandwidth in a Flexray cluster by exploiting possible branch parallelism. The design has been implemented in an FPGA prototype and is supported by a coherent programming flow. The capabilities of the Flexray switch are demonstrated in case study showing a bandwidth increase of 210 %.

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References

  1. Flexray consortium: Protocol specification Version 3.0

  2. Flexray consortium: Electrical Physical Layer specification Version 3.0

  3. Wille, M. et al.: Synchronized and Efficient Bandwidth Allocation using Multidimensional Scheduling. Flexray Product Day 2009

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  4. Milbredt, P. et al.: Switched Flexray: Increasing the Effective Bandwidth and Safety of Flexray Networks. In: Proceedings of the IEEE International Conference on Emerging Technologies and Factory Automation, 2010

  5. Elektronik automotive, Sonderheft Audi A8, Februar 2010

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Authors and Affiliations

  1. NXP Semiconductors, Eindhoven, Netherlands

    Bart Vermeulen MSC (Senior Principal Scientist in the In-Vehicle-Network Domain) &  Jan Staschulat (Senior Researcher in the In-Vehicle-Network Domain)

  2. NXP Semiconductors, Hamburg, Germany

    Malte Struck (System Engineer for Flexray Active Star and Transceivers) & Steffen Lorenz (System Engineer for Flexray Transceivers and Standardization)

Authors
  1. Bart Vermeulen MSC
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  2. Jan Staschulat
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  3. Malte Struck
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  4. Steffen Lorenz
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Vermeulen, B., Staschulat, J., Struck, M. et al. Flexray switch. ATZ Elektron Worldw 5, 32–36 (2010). https://doi.org/10.1007/BF03242297

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  • DOI: https://doi.org/10.1007/BF03242297

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