AVR-Chat

----Original Message----

From: AVR-Chat@yahoogroups.com
[mailto:AVR-Chat@yahoogroups.com] On Behalf Of Roland
Jollivet Sent: 21 December 2009 14:41 To:
AVR-Chat@yahoogroups.com Subject: Re: [AVR-Chat] magazine

> But I always thought it was dumb too, that the Atmel chip
> had to be running 
> with a crystal in order to program it.
> 

This is not the case, you can do everything on AVR using the internal
oscillator.

The problem we were discussing earlier was how to rescue the chip if you
accidentally configure it to have an external crystal, when it hasn't
got one.

-- 
Tim Mitchell

----- Original Message ----- 

From: "Zack Widup" <w9sz.zack@gmail.com>
To: <AVR-Chat@yahoogroups.com>
Sent: Monday, December 21, 2009 3:35 PM
Subject: Re: [AVR-Chat] magazine


>I have had that problem with accidentally programming the AVR for an
> external crystal. I have an STK-500 and it allows you to rescue the chip
> with parallel programming.
>
> The STK500 is well worth the cost. The only drawback is, I wish it came
> with ZIF sockets. I'd be willing to pay the extra bucks for that feature.

I put one on my Dragon and I think I should be able to fix the oscillator 
problem with that, but I've never needed to try it. I've also got an STK500, 
anyway.

Leon

I have had that problem with accidentally programming the AVR for an
external crystal. I have an STK-500 and it allows you to rescue the chip
with parallel programming.

The STK500 is well worth the cost. The only drawback is, I wish it came
with ZIF sockets. I'd be willing to pay the extra bucks for that feature.

Zack

On Mon, Dec 21, 2009 at 8:56 AM, Tim Mitchell <tim@sabretechnology.co.uk>wrote:

>
>
> ----Original Message----
> From: AVR-Chat@yahoogroups.com <AVR-Chat%40yahoogroups.com>
> [mailto:AVR-Chat@yahoogroups.com <AVR-Chat%40yahoogroups.com>] On Behalf
> Of Roland
> Jollivet Sent: 21 December 2009 14:41 To:
> AVR-Chat@yahoogroups.com <AVR-Chat%40yahoogroups.com> Subject: Re:
> [AVR-Chat] magazine
>
> > But I always thought it was dumb too, that the Atmel chip
> > had to be running
> > with a crystal in order to program it.
> >
>
> This is not the case, you can do everything on AVR using the internal
> oscillator.
>
> The problem we were discussing earlier was how to rescue the chip if you
> accidentally configure it to have an external crystal, when it hasn't
> got one.
>
> --
> Tim Mitchell
>
>  
>


[Non-text portions of this message have been removed]