> Is this before or after setting OSCCAL with the calibration value
> obtained from the last word in code memory before the measurement?

No osccal register on the 16F818/819, and no mention of a calibration
value in the last instruction. (and no misterious bandgap bits either)
The datasheet says 'factory calibrated'

Wouter van Ooijen

-- -------------------------------------------
Van Ooijen Technische Informatica: www.voti.nl
consultancy, development, PICmicro products

--
http://www.piclist.com hint: PICList Posts must start with ONE topic:
[PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads