At 10:13 PM 12/20/02 +0100, you wrote: > > 12Fxx, but remember to save OSCAL and BG > >And who can tell me what those BG bits are for? >- there is no mentioning of 'bandgat' anywhere in the datasheet >- the 12F has no 'absolute' internal voltage reference (only Vcc-derived >references) It does have one "absolute" voltage reference- for the BOD- and note that it's a fairly tight spec on those devices (+/-50mV compared to +/-300mV on some other devices). Just a WAG. Best regards, Spehro Pefhany --"it's the network..." "The Journey is the reward" speff@interlog.com Info for manufacturers: http://www.trexon.com Embedded software/hardware/analog Info for designers: http://www.speff.com -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.