12C671 - GP3 problem

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  1. - 17th March 2010, 11:36 #7
    financecatalyst's Avatar
    financecatalyst
    financecatalyst is offline Member
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    Question

    Hi, for some reason when I check the voltage on all pins, every pin except GP3 has 5V, whereas I don't know why GP3 is showing only 0.5V. They all are held high (5V) with 10K.

    I also tried with 1K then 470Ohm, but voltage on GP3 is not going above 0.8V after that. Also just want to add that, my circuit is in such a way that it only gets power when a button is pressed. Buttons bring in the -Ve supply to the system from a 12V battery, also the -Ve goes to the 7805 so PIC gets its 5V as well.
    Last edited by financecatalyst; - 17th March 2010 at 12:00.
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