On Thu, 2007-04-05 at 09:41 -0700, Harold Hallikainen wrote:
> > On Wed, 2007-04-04 at 21:50 -0400, Timothy J. Weber wrote:
> >> The programming spec for this family says 4.5 V is needed for Bulk
> >> Erase, but 2.0 V is sufficient for "read/write operations, program and
> >> data memory."  So... does the PICkit2 always do a Bulk Erase?
> >
> > Sounds like it.
> >
> >> Any other ideas for ICSP at 3V?  For now I'm pulling it and putting on a
> >
> > ICD2, works perfectly for me with the 18F and 30Fs at 3.3V.
> >
> 
> 
> Running a 18LF6722 at 3.3V, I found I could not reprogram it with the
> ICD-2 once I set the code protect. 

Yup, since clearing the code protect requires a bulk erase, which
requires Vdd of at least 4.5-5V. It's all in the data sheet.


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