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[FAQ] AM625: What's the purpose for the pull down R on MMC_CLK?

Rich Chen
Expert 3835 points
Part Number: AM625

Tool/software:

Dear Sir, 

May I know what the purpose for the pull down R on MMC_CLK signal on TI EVM? 

  • 0
    TI__Expert 7385 points

    Hi Rich,

    Our domain expert is currently out of office, please expect some delay in response time.

    Thank you for your patience.

    Regards,

    Nitika

  • 0 in reply to Nitika Verma
    TI__Guru 62215 points

    Most of the IOs associated with the AM62x device default to the off state, which means any attached device input without an internal pull resistor would be floating until software configures the pin to drive the signal. We use an external pull-down rather than an external pull-up since the clock signal is held in a low logic state when paused.

    Regards,
    Paul