Jacopo Monegato wrote 2011-09-26 23:14: > MCLR is unconnected, but i have disabled it through CONFIG3H.. Why ? Are you running short of pins ? If not, do enable MCLR and connect it "as usual". At least one less unknown variable in the equation... :-) --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .