> You can also take off a few for the s/w to react to that 77th interrupt > and set/unset the pin Correction - of course the timer has rolled over to 0000 so there is no latency, as the s/w is changing the pin independently of the timer Joe --=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 .