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UCD9081: configure EN as high impedance input

Zach Xia
Expert 5845 points
Part Number: UCD9081
Other Parts Discussed in Thread: UCD9090A

Hi team,

From DS, EN1-7 can act as I/O. But I cannot find how to configure them as input in the GUI. Could you explain? 

Thanks,

Zach

  • 0
    TI__Expert 3365 points

    Hi Zach,

    EN1-7 are digital outputs. They will momentarily act as inputs during a reset in which they will be in a high impedance state. Otherwise these are only configured to be outputs. The only inputs in this device are the MONx pins to monitor the EN rail voltages. If you are looking for a device with more GPI capabilities i would suggest the UCD9090A which has GPIO's which can be configured as inputs or outputs.

    Regards,

    Sam Gradinaru