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Re: [avr-chat] Crystals (was ATmega32 @ 16MHz : fuse bits ??)
From: |
Bob Paddock |
Subject: |
Re: [avr-chat] Crystals (was ATmega32 @ 16MHz : fuse bits ??) |
Date: |
Sat, 12 Nov 2005 05:54:03 -0500 |
User-agent: |
KMail/1.8.1 |
On Saturday 12 November 2005 01:19 am, Vincent Trouilliez wrote:
> On Fri, 2005-11-11 at 10:46 -0500, Graham Davies wrote:
> > I hope this helps. I don't think most people will have to worry much
> > about crystals. I doubt that Vincent's problem was crystal selection or
> > the wrong load capacitors.
>
> That's annoying... because if my fuse bits are correct, and it's not the
> crystals or capacitors, then I can't see what it could be, and therefire
> have little hope to get it working :-/
To recover a part with fuse problems try feeding it a external oscillator.
I keep one of those 8-pin-canned-oscillators at 1 MHz around for just such
occasions. You can get the fuses in a state where the crystal oscillator will
not work on some parts.
--
http://www.softwaresafety.net/
http://www.unusualresearch.com/ http://www.bpaddock.com/
http://www.designer-iii.com/
- [avr-chat] ATmega32 @ 16MHz : fuse bits ??, Vincent Trouilliez, 2005/11/10
- Re: [avr-chat] ATmega32 @ 16MHz : fuse bits ??, Peter Fuhrmann, 2005/11/10
- Re: [avr-chat] ATmega32 @ 16MHz : fuse bits ??, Vincent Trouilliez, 2005/11/11
- Re: [avr-chat] ATmega32 @ 16MHz : fuse bits ??, David Kelly, 2005/11/11
- Re: [avr-chat] ATmega32 @ 16MHz : fuse bits ??, Vincent Trouilliez, 2005/11/11
- [avr-chat] Crystals (was ATmega32 @ 16MHz : fuse bits ??), Graham Davies, 2005/11/11
- Re: [avr-chat] Crystals (was ATmega32 @ 16MHz : fuse bits ??), Vincent Trouilliez, 2005/11/12
- Re: [avr-chat] Crystals (was ATmega32 @ 16MHz : fuse bits ??), Joerg Wunsch, 2005/11/12
- Re: [avr-chat] Crystals (was ATmega32 @ 16MHz : fuse bits ??), Anton Erasmus, 2005/11/12
- Re: [avr-chat] Crystals (was ATmega32 @ 16MHz : fuse bits ??),
Bob Paddock <=
- Re: [avr-chat] Crystals (was ATmega32 @ 16MHz : fuse bits ??), Graham Davies, 2005/11/12
- Re: [avr-chat] Crystals (was ATmega32 @ 16MHz : fuse bits ??), Graham Davies, 2005/11/12
- Re: [avr-chat] Crystals (was ATmega32 @ 16MHz : fuse bits ??), Vincent Trouilliez, 2005/11/14
- Re: [avr-chat] Crystals (was ATmega32 @ 16MHz : fuse bits ??), Danilo Uccelli, 2005/11/14
- Re: [avr-chat] Crystals (was ATmega32 @ 16MHz : fuse bits ??), Graham Davies, 2005/11/14
- Re: [avr-chat] Crystals (was ATmega32 @ 16MHz : fuse bits ??), Joerg Wunsch, 2005/11/14
- Re: [avr-chat] Crystals (was ATmega32 @ 16MHz : fuse bits ??), Andy Warner, 2005/11/14
- Re: [avr-chat] Crystals (was ATmega32 @ 16MHz : fuse bits ??), Richard Urwin, 2005/11/14
- Re: [avr-chat] Crystals (was ATmega32 @ 16MHz : fuse bits ??), Vincent Trouilliez, 2005/11/15
- Re: [avr-chat] Crystals (was ATmega32 @ 16MHz : fuse bits ??), Richard Urwin, 2005/11/16