Hi all:

    I'm doing a simple program that acording to some combination of imputs
gives some combination of outputs... I'm using a PIC16C73B and something
really strange happened... two pin ports (RB6 and RB7) works well (as
imputs) but suddenly they don't work anymore (seems like they are not imputs
at that moment) while the rest of imputs works well... I have all
interruptions disable, I also try four diferents PICs and same problem, I
guess is not a code problem because it happens any time, sometimes takes
longer than other to happen but happens...

    It is possible that those pins change their configuration? (because of
noise or something) if some body has some expirience with it and can help me
I'll be very thankful...

    Regards,

    Gonzalo

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