AVR-Chat

I assume you have tried this but...

the ISP clock must be set to 1/4 the processor speed or less. ( I've forgot
this a number of times. )

Jim

----- Original Message ----- 
From: "Craig Limber" <ffdude@shaw.ca>
To: <avr-chat@yahoogroups.com>
Sent: Tuesday, November 07, 2006 8:20 AM
Subject: [AVR-Chat] AVRISP MK II - doa?


> Hi there;
>
> I recently received my AVRISP MKII but it appears to have a problem.
> Before I send it back I thought I would just check to see if anyone
> here has had a similar problem in case there is a magic fix I can
> apply.
>
> Avrdude and avrstudio are able to communicate with it on rudimentary
> terms (recognize it exists and can set the communication clock speed).
> However, it is unable to communicate with any of my processors.
> avrdude claims it can't get a signature and avrstudio says it can't
> communicate whenever I try to erase the chip or read the fuses.
>
> The chips and boards in question program fine through my parallel port
> programmer with avrdude or UISP plus it works ok when programmed
> through an STK500 using avrdude, UISP or avrstudio.
>
> Craig
>
>
>
> Yahoo! Groups Links
>
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>
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>