AVR-Chat

Hi David,

External oscialltor, and I normally enable CKOPT during programming but the
ones that fail do not get that far - fail to read fuses or program. If I
replace the MCU then all good, so I assume the actual MCU is the issue.

On Mon, May 31, 2010 at 12:59 PM, David VanHorn <microbrix@gmail.com> wrote:

> On Sun, May 30, 2010 at 7:32 PM, Dean Claxton <deanclaxton@gmail.com>
> wrote:
> > Hi everyone,
> >
> > I seem to have a bad batch of mega 128's in that for the current project
> I
> > am finding that 20 to 30% of the chips are not programmable, or some
> appear
> > to have faulty A/D ports.
>
> Are you running crystal oscillator with the CKOPT fuse in the default
> state?
>
>
> ------------------------------------
>
> Yahoo! Groups Links
>
>
>
>


-- 
Kind Regards
Dean Claxton


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