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I have LF876A running on my prototype pcb. Crystal, load cap, Vdd cap, =
pin 1 10K res, RC3, RC4,=20
these are all in good shape, no cutting, no bad solding....Everything =
looks perfect, physically.

Several times, my blink LED works no interruption. But more often, won't =
starting or stop after running=20
several sec. Testing pic sw is very simple blink RA3 LED. It is really =
simple! But behave is not simple=20
at all. I can explain why. Problem, sometime related to moving from one =
table to another table, or changing
power supple. I really don't understang this 16LF876A, and I have only =
one in so28 pachage!

I am uing PICkit2, programming high voltage it under 13V. Is this =
possible reason making=20
pic running crazely?

anybody had this kind of pic crazy?


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