AVR-Chat

Andrew/Yann,

  Yes you're right, unless you've got the internal clock enabled, the AVR
needs a clock in order to do anything, including setting fuses. which makes
setting fuses a risky business, especially if you get it wrong!

Paul


----- Original Message -----
From: "gouy yann" <gouy_yann@yahoo.fr>
To: <AVR-Chat@yahoogroups.com>
Sent: Friday, December 03, 2004 9:24 AM
Subject: RE: [AVR-Chat] Migrating from ATmega8535L to ATmega16L


>
> hello,
>
> if I'm right, unless you plug an external Xtal, your
> uP won't be accessible anymore, because even if the
> SPI provide a clock signal, the uP needs its own clock
> signal to work.
>
> regards.
>    Yann
>
>  --- Andrew Lim <normaxcite@yahoo.com> a écrit :
> > Hahaha... I guess I've stumble into another problem
> > now.
> >
> > I tried to set the Fuse Bit to change to External
> > Xtal in PonyProg and guess wat? I cannot access the
> > uP anymore.
> >
> > I tried to reprogram back the Fuse Bit but it says
> > device not found.
> >
> > Can you help me out?
> >
> >
> > Regards,
> > Andrew
> >
> > John Samperi <samperi@ampertronics.com.au> wrote:
> > At 11:57 PM 1/12/04 -0800, you wrote:
> > >   Hi John,    I have got my Atmega16L up and
> > running!
> >
> > Congratulations!! :-)
> >
> > Regards
> >
> > John Samperi
> >
> >
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