AVR-Chat

> ----- Original Message -----
> From: "Tim Mitchell" <tim@sabretechnology.co.uk>

> 
>> I'm working on a project using an AT-Tiny26. It has been working
>> fine. But now the Tiny26 seems to not want to run any more. It can be
>> programmed and read back fine, both in SPI mode and on a parallel
>> programmer. All the fuse bits are set correctly to the default 1MHz
>> settings. We have written a very simple program which just wiggles a
>> pin up and down. But it just won't run. This is the second time this
>> has happened - the first time, we replaced the Tiny26 and all was OK
>> again. 
>> 
>> Anyone seen this before? It almost looks like some setting is wrong.
> 
> I've had similar problems with the Tiny11. It was probably caused by
> ESD as I was plugging them and unplugging them lots of times during
> development. 
> 
> Leon
> 

Solved - was an intermittent short to ground on the reset pin. If you
probed it, the board flexed a bit or something and it was not shorted.
Only took us 4 hours to find it!!


-- 
Tim Mitchell
tim@sabretechnology.co.uk
http://www.sabretechnology.co.uk