Re: [avr-chat] fuse broke my AVRISP?

[gecko gecko]

Thanks, I've put the AVR to one side and I'm going to leave the fuses alone for a while. I thought the ISP was knackered but its all ok, it was just at 8535. Thanks guys

----- Original Message ----- 
From: "Bjarne Laursen"

To:
Subject: Re: [avr-chat] fuse broke my AVRISP?
Date: Thu, 09 Jun 2005 08:29:09 +0200

>
> gecko gecko wrote:
>
> > I ticked the last box in the Tools>program AVR>connect>Fuses tab
> > in the hope of debugging my software, this didn't work, but now
> > neither does my new AVRISP. I tried unticking this and reticking
> > the the "int osc; 1MHz startup 6CK + 64ms" that was origionaly
> > ticked but what ever I try to program I get a "Problems ocured
> > when executing comands" error. What can I do to fix this problem?
> > I have never used fuses (i've only had a programmer for 2 days!)
> > and I'm not sure what I have done.
> >
> The oscillator need to run, to be able to program the AVR. If you
> switch to at osc type that you don't have, you will not be able to
> change it back.
> I think applying an extrernal clock at the clock-in on the avr
> should work in all cases. If you don't have a generator for that
> you could try to build the oscillator: Connecting an external
> crystal or an RC-circuit, depending on what you set the fuses to.
>
> Then of cause, you'll be able to switch back the fuses to internal
> oscillator if that is what you need.
>
> -Bjarne Laursen, RoseTechnology A/S
>
>
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> http://lists.nongnu.org/mailman/listinfo/avr-chat

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