Padu wrote: > The interesting point is that if I pullup RC2 with a 10K it (measuring > the pwm) works. Maybe your source is open drain? ****************************************************************** Embed Inc, Littleton Massachusetts, (978) 742-9014. #1 PIC consultant in 2004 program year. http://www.embedinc.com/products -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist