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TUSB564: Pin Assignment E

Anderson2
Expert 1035 points
Part Number: TUSB564
Other Parts Discussed in Thread: TPS65987D,

Dear TI engineer

Can TUSB564 use by Pin Assignment E with TPS65987D?

TPS65987D don't have SBU and AUX pins.

If you have the recommended designs, please tell me.

Best Regards

  • 0
    TI__Guru 64326 points

    Nakano,

    TUSB564 with TPS65987D can handle Assignment E however you will need consider the AUX to SBU polarity swap. You will need to make sure that there is either an external solution for AUX to SBU polarity swap or make sure the panel takes care of this swap. See section 9.2.3 Support for DisplayPort UFP_D Pin Assignment E in TUSB564 datasheet.

    We currently do not have an reference designs with these two parts for assignment E. 

    In addition, what scaler are you using for you application? We have some recommended implementations based on the scaler used. The implementation will help to account for main link lane swap / polarity swap.