Re: [avr-gcc-list] ATMega32 fuse bit problem

[Steven Michalske]

You can still drive the xtal-in pin with a clock source

program one of your other microcontrollers to produce a 32kHz clock on  
a pin and pump it in to the xtal-in

then rewrite your fuses.

Steve


On Nov 11, 2007, at 11:24 PM, Anton Erasmus wrote:

> On 11 Nov 2007 at 10:59, Csroluxx wrote:
>
> Date sent:              Sun, 11 Nov 2007 10:59:51 -0800 (PST)
> From:                   Csroluxx <address@hidden>
> To:                     address@hidden
> Subject:                Re: [avr-gcc-list] ATMega32 fuse bit problem
>
> > James Pascoe wrote:
> > > Hi All,
> > >
> > > Apologies for the following question which is very OT, but there  
> > > is a
> > > good chance you guys can help.
> > >
> > > I am using an ATMega32 and inadvertantly programmed the fuse bits  
> > > wrong
> > > :-( ... instead of setting
> > > the fuse bits to use a 16 Mhz external crystal as the clock  
> > > source, I
> > > programmed the chip to use the low frequency
> > > crystal oscillator setting. Of course now, I can not program the  
> > > device
> > > anymore.
> > >
> > > Does anybody know if there is any way (other than getting hold of a
> > > 32.768 Khz crystal) that I can recover the device ?
> > >
> > > Many thanks for any suggestions,
> > >
> > > James
> > >
> > >
> > > _______________________________________________
> > > AVR-GCC-list mailing list
> > > address@hidden
> > > http://lists.nongnu.org/mailman/listinfo/avr-gcc-list
> > Hi you can use one from old digital clock (or new one)
> > =)
>
> You can also program via the JTAG pins, you do not need an external  
> clock for that.
> The AVRDRAGON is quite cheap, which you can use to re-program the  
> fuses.
>
> Regards
>  Anton Erasmus
>
>
> --
> A J Erasmus
>
>
>
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