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SN75DP126 signal detect

Shu-Cheng LIN
Guru 11785 points
Other Parts Discussed in Thread: SN75DP126

Hi Sirs,

Sorry to bother you.

We have use SN75DP126, one thing need to clarify

If only one signal plug in, TI IC can auto detect and output screen to monitor? Or we need adjust IC GPIO high or low to control IC output?

Thanks for your reply...

  • 0
    TI__Mastermind 23815 points

    Hi Shu-Cheng Lin,

    Selected port will depend on input signals from video sinks: TMDS_HPD_SNK, DP_HPD_SNK, CAD_SNK, and just one signal from GPIO: priority.

    Refer to table 1 in datasheet to for detailed explanation on how the devices selects each port.

    Regards