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DS160PR412: DS160PR412RUAT related problems

jeno.zhang
Expert 2715 points
Part Number: DS160PR412

Hello，

Please help to see if there is any problem with the schematic design of the accessories, The GEN3 and GEN4 graphics cards cannot be read with the DS160PR412. Please help analyze the cause, Thanks！

LEPU.pdf

  • 0
    TI__Genius 15820 points

    Hello,

    I see that the RX_DET/SCL and RSVD pins of the DS160PR412 devices are connected to "TPxx, tp_sc1r0" nets. Could you explain what these nets are and what they are supposed to do? It looks like they may have something to do with the load switches but I am not sure. According to the DS160PR412 datasheet, the RX_DET pin is recommended to be left in the L3 (float) state for PCIe applications, and the RSVD pin should always be left floating.

    The other pin configuration settings seem valid so I would like to rule out issues with RX_DET and RSVD first.

    Best,

    Evan Su