Thank You all for the insights, I will implement all the suggested modifica= tions. Cheers, Mario At 05.09 2012.05.27, you wrote: >Agreed though I've all but given up arguing that one. =20 > >IVP wrote: > >>> My strong advice would be to return those caps by a dedicated, >>> isolated track to the nearest uP ground pin to the crystal pins >> >>And ground the crystal case too. That's solved mysterious micro >>behaviour a couple of times for me >>--=20 >>http://www.piclist.com PIC/SX FAQ & list archive >>View/change your membership options at >>http://mailman.mit.edu/mailman/listinfo/piclist > >--=20 >http://www.piclist.com PIC/SX FAQ & list archive >View/change your membership options at >http://mailman.mit.edu/mailman/listinfo/piclist --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .