AVR-Chat

open you're AVRstudio and go to advance and click READ SIGNATURE. that will detect your STK500 and detect what chip is plug into it. then go to FUSES and you will see what fuses are set and not set in the chip you plug into the STK.
:)
 
-jay

John Johnson <johnatl@mac.com> wrote:
If there is a check mark in the box, the fuse is set. It is also "0".

Regards,
   JJ

On Friday, Apr 16, 2004, at 09:09 US/Eastern, chrisatwan2000 wrote:

> I thought looking at the fuses in AVR Studio was the way to check
> what fuses were set.  How do I check to see what fuses are set "0"
> and what fuses are not set "1"?
>
> Chris Atwan
>
> --- In AVR-Chat@yahoogroups.com, Brian Dean <bsd@b...> wrote:
>> Hi Chris,
>>
>> On Fri, Apr 16, 2004 at 01:56:39AM -0000, chrisatwan2000 wrote:
>>
>>> I checked my fuses with AVR Studio and the following fuses are
> set:
>>>
>>> BOOTSZ=11
>>> BODLEVEL=1
>>> CKSEL=1111 SUT=11
>>>
>>> Any ideas??
>>
>> The above fuses are in the low fuse byte.  You want to look at the
>> "high" fuse byte - the JTAGEN bit is bit number 6.
>>
>> In Atmel terminalogy, a fuse is "set" or "programmed" if it is '0'.
>> It is "unset" or "unprogrammed" if it is a "1".  However, I think
> in
>> AVR Studio, a check mark on the fuse setting sets it to a "0",
> i.e.,
>> programs the fuse.
>>
>> Look at the high fuse byte, specifically bit number 6.  If it is a
>> zero, then the JTAG debugging interface is enabled.  If it is a
> one,
>> then it is disabled.  It is enabled by default, so unless you
> disabled
>> it, it is most likely still enabled.  If it is enabled, then that
>> would most likely explain the problems with your program not
> getting
>> the expected results when using PORTF.
>>
>> For more info, the "Memory Programming" section of the ATmega128
>> datasheet.  The high fuse byte is described on page 292 in the
> version
>> I have.
>>
>> -Brian
>> --  
>> Brian Dean
>> http://www.bdmicro.com/
>
>
>
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