Without the whole code and schematic it's hard to say...
Stack-Overflow reset?
Faulty MCLR contact?
BAD config fuses programming (LVP_ON could do some strange thing sometimes)
messy supply line may cause some BOD reset as well
etc etc etc
To me scoping the VDD rail to see if it's clean and monitor the MCLR pin would be my first test...
Well, you could still use CCS to see if the results are the same 
It have to be!
Last edited by mister_e; - 17th February 2007 at 18:19.
Steve
It's not a bug, it's a random feature.
There's no problem, only learning opportunities.
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