tvb@LeapSecond.com said: > The PIC's I use have essentially no jitter. If they generate a 1PPS the edge > and the pulse width are perfect, down to picoseconds. The talk about "other > stuff" and "priority" and "number of compares" and "ambiguity" is worrisome. > It sounds like a design or coding flaw to me, like what happens when people > try to do precise time with a high level language. It's fun to debug software with a scope. -- These are my opinions. I hate spam.