AVR-Chat

That setting of CKSEL is for a low frequency crystal. That means 32KHz or so.

To recover your chip, you will either need to hook up a 32KHz crystal or
connect an external clock signal (maybe about 1MHz). Then you can program
it again.

Jim

> atmega8
>
>
> ________________________________
>  From: "wagnerj@proaxis.com" <wagnerj@proaxis.com>
> To: AVR-Chat@yahoogroups.com
> Sent: Monday, 23 January 2012, 20:21
> Subject: Re: [AVR-Chat] Re: avr programming
>
>
> Â 
> What chip?
>
> Jim Wagner
>
>> i programed the fuse bits  with following
>> ckesl0=1
>> cksel1=0
>> sksel2=0
>> cksel3=1
>>
>> and then i can not program it because the the program show chip enable
>> error 
>> my programmer is the parallel and have isp port and have socket for
>> mega8
>> with 6000000MHZ crystal
>> when i programed it on internal crystal i do not have any problem but in
>> external i have problem  and the programmer can not erase chip or
>> programmed it
>>
>>
>> ________________________________
>>  From: muhammad SHABBIR <moghul40@yahoo.com>
>> To: AVR-Chat@yahoogroups.com
>> Sent: Monday, 23 January 2012, 7:06
>> Subject: [AVR-Chat] Re: avr programming
>>
>>
>>  
>> Dear sania
>> i have own build isp programmer and using since last 6 years with
>> tiny2313
>> its good working. also now using with atmega 48 nice working. and now in
>> nov 2011 i bought G540. but not checked on avr som work on eprom with
>> g540
>> its good.. now tell me in detail. where is the problem. on  tiny 2313 i
>> worked with avr studio and little ave assembler.
>> shabbir
>>
>> --- In AVR-Chat@yahoogroups.com, sania safdar <see_wide_sea@...> wrote:
>>>
>>> g540 and ISP
>>>
>>>  
>>> Best Regards
>>> Sania Safdar
>>>
>>>
>>>
>>>
>>> ________________________________
>>>  From: Zack Widup <w9sz.zack@...>
>>> To: AVR-Chat@yahoogroups.com
>>> Sent: Saturday, January 21, 2012 8:47 PM
>>> Subject: Re: [AVR-Chat] avr programming
>>>
>>>
>>>  
>>> What programmer are you using?
>>>
>>> Zack
>>>
>>> On 1/9/12, shirin ghanbari <shivarin12@...> wrote:
>>> >
>>> >
>>> >
>>> > I program the fuse bits of the avr mega under 1.5MHZ external crystal
>>> and
>>> > then i can not program it it . chip enable error
>>> > please help me what can i do?
>>> >
>>> > [Non-text portions of this message have been removed]
>>> >
>>> >
>>>
>>>
>>>
>>> [Non-text portions of this message have been removed]
>>>
>>
>>
>>
>>
>> [Non-text portions of this message have been removed]
>>
>>
>
>
>
>
> [Non-text portions of this message have been removed]
>
>