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C22 IFM Side Connector Pinout

Home Forums SOMANET Hardware Core Modules C22 IFM Side Connector Pinout

This topic contains 1 reply, has 1 voice, and was last updated by  mrmcmathew 1 year, 11 months ago.

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    tl;dr: Pinorder of IFM connector on connectors page of C22 documentation is either mistaken or at least vertically mirrored which – if so – should be noted there somewhere.


    Hello dear synapticons

    I did a little connection check from the soldering onnections to the IFM connector on the IFM GPIO D board. I checked the 3V3, the Vin and the GND connections since these are the only ones that are measurable for a normal human beeing with an off the shelf multimeter. That’s why I can not say anything about the connections of the IO ports.

    I noticed, that these connections are not entirely the way they are described on the connectors page of the C22 documentation.
    At least on my GPIO D board the connections go as seen here.

    Now of course this view changes when mounted on the C22, but if its mounted on a C22’s IFM side int the view shown in the documentation, the GND pins stay on the left hand side and the Vin as well as the 3v3 pins stay on the right hand side of the view.

    However, according to the pin mapping the GND pins are spread accros pins 41 to 79 which on the connectors page, are shown to be on the right hand side. For the Vin and 3V3 pins, this applys the other way round.

    A little clarification on that matter would be nice.



    Thank you for pointing out! The COM side of C22 was inverted in the documentation. We are updating it now.

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