>If this is for the TMP-03 sensor you may wish to
>consider a routine Dwayne Reid wrote. IIRC, it uses an
>interlaced co-routine type trick to poll a pulse and

>achieve 3 tcyc resolution in the measurement and have
>16-bit dynamic range. I presume you can obtain similar
>results with TMR0 by setting the prescaler to 0 (i.e.
>give the WDT the prescaler), polling TMR0 rollovers,
>and polling the pulse. However, since there are two
>things that have to be polled you'd only be limited to
>4 or 5 Tcyc resolution (that is if you're lucky or
>clever - which ever comes first)


No, thanks.
Resolution is pretty, but PIC is kept busy while doing pulse measurement.
Because pulse frequency is as low as 20-40 Hz it means blinking LED
indicator.  :)
BTW, what "interlaced co-routine" means? Is it interlaced with other routine
or something?