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AM623: IO Fail safe

Boosun Krishnamoorthy
Prodigy 85 points
Part Number: AM623

Hello,

Is there any risk to connecting GPIO signals before the AM6232 SoC IC is powered up?

  • 0
    TI__Guru**** 189569 points

    Hello Boosun Krishnamoorthy

    Thank you for the query.

    If the IO you mentioned is fail-safe - Ext EXTINTn this is fine.

    For all other IOs this is not allowed or recommended. 

    This could create a leakage path affecting the SoC reliability as well as the overall product functioning including PMIC.

    Regards,

    Sreenivasa