On Wed, Aug 22, 2012 at 11:27 PM, Chris Albertson <albertson.ch...@gmail.com > wrote:
> > It is very hard to write a divers in software. You have to use assembly > language and you have to mmake sure that EVERY path in every branch is has > exactly the same number of clock cycles. And then you have to be lucky > that you can work out an exact integer division. > It depends on what sort of processor you are using - that sort of approach used to be necessary when the low-cost MCUs were things like PICs that don't have especially sophisticated on-chip timers, but even cheap devices now have onchip timer/counters that have reload and capture registers. Many of them also have PLLs on the die that are intended for clock generation but can often be abused for other purposes :) _______________________________________________ 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.
