Quote Originally Posted by KPDes View Post
I m having trouble getting started with the 18f2455. I just upgraded to PBP 2.47 so I could work with USB pics . I have no problem programming other pics but I can only get this one to run with an external oscillator and even then it is sporadic and unreliable.
I have a feeling I am overlooking something simple. If anyone has a suggestion I would appreciate it
Thanks
-kyle
Cap across Vdd and Vss (and/or power supply input to the board)
MCLR pullup resistor