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Re: [AVR-Chat] Mega8 Reset problem?

2004-10-23 by Mark Jordan

I was using 100nF and tried 4.7uF. No luck. Same behavior.

	Mark

On 23 Oct 2004 at 13:43, Henry Carl Ott wrote:

> 
> That 4.7 uf cap seems a little large to me.
>   I don't know if there is a maximum rise time on the reset signal, but 
> something in the .01 range might be more appropriate.
> 
> -carl
> 
> 
> At 12:25 PM 10/23/2004, you wrote:
> 
> 
> >         Hi,
> >
> >         I'm having a weird problem with a Mega8 running on the
> >internal clock oscilator at 1 MHz. The internal Power-on Reset
> >seems not to be working.
> >         Every time I power up the circuit, I have to manually reset
> >the Mega8. The power at the Vcc pin rises from 0 to +5V in 4mS.
> >The RESET pin has a 22k to +5V and 4.7uF to GND.
> >         Have tried several fuses combinations but no luck.
> >         Am I missing something?
> >
> >         Thanks.
> >         Mark Jordan
> >
> >
> >
> >
> >
> >Yahoo! Groups Links
> >
> >
> >
> >
> 
> 
> 
> 
>  
> Yahoo! Groups Links
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