I don’t know what I was thinking when I asked this question as we don’t control the gate timing in a referenced counter.
> On Apr 26, 2017, at 3:59 AM, Bob kb8tq <kb...@n1k.org> wrote: > > Hi > >> On Apr 26, 2017, at 12:29 AM, Jerry Hancock <je...@hanler.com> wrote: >> >> Do typical frequency counters start their gate in phase with the incoming >> signal? I guess the >> answer would be, "It depends." I was just thinking about how I would >> program the STM32F7 >> counter I am designing. > > Since they don’t start (or stop) the gate in any specific relation to the > input signal, the trick is to > make sure you don’t get an extra count when the gate opens or closes. This is > right back to the > edge triggered vs level triggered issue. It also gets indirectly into the > rechecking process in the > MCU. Some of the “edge trigger” stuff is done in odd ways ….(= got two of the > same after rechecking > into a shift register …). > > Bob > > >> >> btw, Gilbert, a local time-nut, sold me a 5335 today so I will be able to >> buiild one great one >> out of the two I will have. >> >> Jerry >> _______________________________________________ >> 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. > > _______________________________________________ > 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. _______________________________________________ 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.