> I have not looked at the prog spec of 16f62x but generally its important to > let Vpp rise from zero to Vpp under less than 8us. Thats for ICSP anyway. That is for 16x84/f87x. 16F628 specifies 1 us, but I don't think that's the problem. I have no cap on MCLR, so I think the rise is pretty fast. Wouter -- http://www.piclist.com hint: To leave the PICList mailto:piclist-unsubscribe-request@mitvma.mit.edu