I/O Pin status during startup

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  1. - 16th January 2025, 13:20 #1
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    PaulMaker
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    Default I/O Pin status during startup

    Hi guys,

    quick question...

    Is there a way (somewhere on the datasheet for example) to know what are the I/O pins state during power up?
    I've noticed that some I/O pins (on my 18F2580 MCU) start high even placing "clear" and "PORTA=000000, PORTB=000000, PORTC=000000) at the start of the code (when i say start, i mean after all the configuration lines).
    I currently have the "INCLUDE "ALLDIGITAL.pbp"" before the actual code start.

    How can I force all the I/Os to be low until the code tells them to go high?

    Thanks
    Last edited by PaulMaker; - 16th January 2025 at 13:27.
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