Re: OT AVR Flash


Jim Granville wrote:
> linnix wrote:
> >
> > Yes, there is an external 32KHz crystal.
> > Programmings are successful, but verifications are
> > wrong in one case and mismatch in another.
>
> That is somewhat flawed thinking: If verify fails, then
> programming was NOT succesful.
>
> Some software does not verify _during_ pgm,
> and so does not know until verify, that there
> was any problems.
>
> If there is a separate chip erase command on your SW,
> try that, and then verify you have a blank device.
> -jg

Yes, it does that.
Chip erase, program and read-back for verification.
But a separate verification failed.
Anyway, the chip seems death now.
I can't even jtag it.

I have done this process hundreds of time before.
But I am wondering if this part (atmega169V 1.6V)
is reliable enough in the field, especially for
In System Programming.

.

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