Wouter van Ooijen escreveu:
>> Olin, do you think 1 - is factory programming value, or is value at POR =

>> (see page 25 of the programming spec, DS41244E)?
>>     =

>
> POR is not relevant: power cycling a PIC does not affect the state of =

> configuration bits (or other flash-stored bits). It is the 'after erase' =

> that is relevant.
>
>   =

>> Finally, I don't think that PIC come with a known state of Configuration =

>> Bits.
>>     =

>
> Chips are sold in erased state.
>   =

This don't matter either, because your programmer almost surely (just to
not say "surely") will erase the part before programming (my Picstart
Plus and ICD2 always do). Even if it doesn't, you may do a chip erase
before programming.

As a note, I already received PIC samples from a local Microchip
distributor already programmed with other people's program (not code
protected).
It appeared to be the control firmware for a breath alcohol tester
(there was ASCII strings with messages).



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