On Mon, Aug 18, 2014 at 8:31 PM, Bob Ammerman wrote= : > I think you have a math issue. 4uS at 16MIPS is only 64 instruction times= , > not 600. And if you really mean 16MHz clock instead of 16MIPS then you ar= e > only consuming 16 instruction times. Aha, you are correct! I was off by a factor of 10 on my instruction time length. It is indeed 16MIPS, which gives an instruction clock of 62nS, not 6nS. Thank you for the correction! Now to figure out another way out of this problem... Josh --=20 A common mistake that people make when trying to design something completely foolproof is to underestimate the ingenuity of complete fools. -Douglas Adams --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .