Newbie - 16F628A and switch latching

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  1. - 18th May 2006, 20:17 #36
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    Further Update...

    If I keep triggering the LEDs on PORT A (via RB0 and RB1) the PIC runs fine for ages.. I can sit there triggering the reed switches until my hearts content. However if I then trigger RB2 or RB3 and thus the LEDs on RB5,6,7,&8 then it freezes...

    I'll try making the last 4 pins of PORTA the inputs and PORTB all output and see what happens

    Update:

    Well making PORTB all outputs and A0,A1, A6 and A7 inputs (rest port A out) is worse. Now on power up all leds light up in random sequence and the extinguish and it freezes.... I'm going to try a trusty old 12F675 with just 2 inputs and see if that works - I have stack of those PICs so using 1 per pair of sidings is no real hard ship !
    Last edited by malc-c; - 18th May 2006 at 20:57.
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