AVR-Chat

--- suresh_16001 <suresh_16001@yahoo.com> wrote:

> Hello Friends
>               I am newbee in AVR's. I started AVR 2
> months back. 
> However setting fuse bit for clok setting is still
> problem for me. I 
> already burn 7 avr trying to set it for 8MHz
> cystal.I am using Pony 
> Prog software to program AVR and ISP similar to one
> available on Pony 
> Prog website. I am using Assembly language for
> programming on AVR 
> Studio interface. I am using Fuse and Lock bit tool
> of Pony prog 
> software to write by bits on the controller.Initial
> setting was 
> BOOTSZ1,BOOTSZ2,SUT0,CKSEL3,CKSEL2,CKSEL1 ALL THESE
> CHECKED.
> WHAT I DID WAS BOOTSZ1,BOOTSZ2,SUT0,CKSEL3 CHECKED
> .Thanks in advance 
> for your support. 

Suresh,

I had an issue similar to yours and found that Pony
Prog indicated bit status 'backward'.  i.e. what
intuitively should have been '1' was '0' and
vice-versa.

If you have any new AVRs left, try just reading the
fuses.  The AVR documentation has the 'as shipped'
settings in there somewhere and you can compare the
two.

Anyway, that's the way I remember it. . .

HTH,

Jeff Engel
Arlington, TX


Happiness is - positive intake manifold pressure.

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