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Selecting a smal footprint Flexray microcontroller

Bryan Wade1
Prodigy 80 points

I'm building a distributed control systems on a Flexray network and I'd like to use ARM microcontrollers. I'm looking at the TMS570LC3137 as a primary computing unit, but I need a smaller footprint, lower cost option for distributed sensor and actuator nodes. 

Freescale has some has options for their Power architecture, but I can't find anything similar for ARM. An M0 to low-end M4 in a QFP-64 would be great. I've considered adding a standalone Flexray controller to an M0 but that doesn't really solve the size and cost issue.

Any ideas what I might use for a small footprint Flexray node with ARM architecture?

  • 0
    TI__Guru 68920 points

    Bryan,

    The LS3137 ZWT package would be our smallest footprint device with FlexRay.

    We have a PGE package that is lower 'tech' in terms of the PCB technology you would need but it's a slightly larger body size.  

    We have LS1xxx devices with FlexRay that cost less than te LS3xxx.  

    Aside from that I don't think we've got any other options.