Bootloader at top or bottom of memory.
Gerhard Fiedler email (remove spam text)
Wouter van Ooijen wrote:
> Are there any PICs with an accessible internal
> voltage reference (an absolute one, not one derived from Vdd)?
Yes. Look for "fixed voltage reference", "VP6EN", "VR" (as in voltage
reference, parameters VR01...VR04 -- mostly "TBD" :).
E.g. the 16F690 has such a 600mV reference. Works with comparators and can
be selected as ADC input.
See also: www.piclist.com/techref/microchip/memory.htm?key=memory
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