KP3G asks: >Could somebody out there tell me if 8.01600 mhz is with-in specs for = >crystal c5001 on thr CNTL-unit. As you can see, it is 16khz in the high = >side but don't know if this is acceptable or not. That's only 0.2% out... assuming that doesn't include any contribution from your counter, that's pretty darn close for a CPU clock. 73, VR2BrettGraham