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Re: [AVR-Chat] Made mistake with fuse on Mega88: set to external crystal. Can it be fixed without parallel programming?

2009-12-18 by Jim Wagner

Should have said hex inverter!

Jim Wagner

On Dec 18, 2009, at 7:51 AM, Jim Wagner wrote:

>
> On Dec 18, 2009, at 7:19 AM, Cat C wrote:
>
>>
>> Hi,
>> The subject says it all.
>> I don't think I can fix it with ISP, but might JTAG work?
>> With a Dragon?
>>
>> Thanks,
>>
>> Cat
>>
>>
> Make an external oscillator! An 74HC04 (I think thats it, quad
> inverter). Put a 4.7Meg feedback resistor around one, add crystal and
> 2 caps. Apply power & ground and connect output to XTAL1, and you
> should be good to go.
>
> Jim Wagner
> Oregon Research Electronics
>
> [Non-text portions of this message have been removed]
>
>
>
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