AVR-Chat

I'd bet that something on the board driven by the micro is
trying to pull higher than 5V. Like a pullup resistor
connected to +12. When the micro output is high, it cannot
handle current in that "wrong" direction. It expects
current flow to ground. If its going the other way, it will
fail to operate properly.'

Jim

On Fri, 10 Mar 2006 22:07:00 +0800
 Kathy Quinlan <kat-yahoo@kaqelectronics.dyndns.org> wrote:
> Bryan Martin wrote:
> 
> > Thanks for your response.  I will check into the
> dropping the from the STK 
> > but the pblm is not on the rails.  I am getting 4.9v as
> expected from the 5v 
> > rail.  Problem is when I take a pin high on the 8515 it
> is sending more than 
> > the 5v.  It is sending around 5.80v.
> 
> IF THE +5V rail is 5V then the pins CAN NOT PUT OUT MORE
> THAN 5V !!!!!!!
> 
> Are you feeding the same 5V to the RF Module ??
> 
> 
> -- 
> Regards,
> 
> Kat.
>
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