albertson.ch...@gmail.com said: > You'd have to seriously divide down the output from the 10MHz OCXO if you > were going to use it as an interrupt. Maybe to divide by 10,000? and even > at the higher clock rate you'd still have poor resolution.
> I image each interrupt handler would sample some internal counter and the > background task would look at the delta between the two and adjust the DAC > to drive the OCXO to close the difference. The resolution would be > (maybe?) a "handful" of clock cycles. Given enough time, say a 1000 second > period it might wrk well enough. I can't know without doing a more detailed > design Do some of the counter/timer modules have an option to run the counter off an internal clock and copy the value into another register on an external signal? That avoids any interrupt latency. -- These are my opinions. I hate spam. _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
