AVR-Chat

If the fuses are badly messed up, only a parallel programmer can 
restore them to a normal condition.



On 17 Jul 2006 at 1:27, Behrooz Hariri wrote:

> This kind of problem is already discussed in this group, but I 
> could never finaly gather what might be a 'standard way' to wake
> up a dead AVR when osc fues bits are wrong programmed. Let's
> assume I have an AVR on my desk and do not know how osc fuesbits
> are programmed. Is the only way trying every possible
> configuration? This way doesn't seem a wise one to me. If I were
> AVR manufaturer, I would set up a seperate emergency osc.  inside 
> mcu to at least have access to fues bits to avoid such dead
> situations to happen. 
> 
>