> >> In my case the chips are real chips and work (almost) correctly,
> >> apart from some weird bugs.
> > Who programmed the chips and with what?
> > Early dsPICs did have flash issues IIRC. In any case I do believe they
> > had more strict programming requirements.
> >
> > -
> > Martin K
>=20
>=20
> I program them with an ICD3. The chip is programmed with my TCP/IP
> bootloader that then uploads the application firmware. Self programming i=
s
> perfectly acceptable for these devices.
> This process is working well for several years and just now the problems
> started. Before the existence of the ICD3 I used an ICD2 and no problems
> also.

Have you checked the errata against the device code the chips return?
--=20
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--=20
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