> I use pic18f4550 and I noticed that the pic looses it's 
> program memory I am not sure how many % but it is enough to 
> see things are not working and this is my 3rd time I started 
> doing hardware trouble shooting and I ended up reprogramming 
> pic fixed the problem. The only possibility is the part got 
> over heated while soldering. any idea?

Got the same problem, with 18F2550's (a pickit2 clone circuit). My
current guess is that I have open inputs. I will add a few more
resistors to the next batch, but that is due only 2008Q2.

Wouter van Ooijen

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Van Ooijen Technische Informatica: www.voti.nl
consultancy, development, PICmicro products
docent Hogeschool van Utrecht: www.voti.nl/hvu
 
 

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