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UCD90120A: Sequencing Timeout Feature

Michael T Schneider
Expert 3790 points
Part Number: UCD90120A


We are trying to figure out when the sequencing timeout feature starts counting down. It is our impression that the timeout starts when the latest dependency has been enabled. For example:

-        Rail 3 has Rail 1 and Rail 2 as dependencies

 

Does the sequence timeout start from 0 ms, when the device is powered on, or from 0.5 ms when the dependencies are enabled?

  • 0
    TI__Guru 67170 points

    Hello

    The sequencing timeout timer is triggered as soon as the ON/OFF_CONFIG condition of the given rail is met to turn on the rail.

    if the ON/OFF_CONFIG is set to AUTO Mode, the sequencing timeout timer starts as soon as device finishes initialization.

    For the rest modes, it is up to when the condition is met.

    Regards

    Yihe

  • 0 in reply to yihe
    TI__Guru 67170 points

    Hello

     We haven't heard from you for a while and assumed that the issue was solved. Please reply if you need any further help.

    Regards

    Yihe