RE: [avr-gcc-list] AT90s1200-12 latched short circuit

[Loveny Design]

> 
> > > The only routes to either power line with no button pressed is via
> > > the pizzo transducer, or the reset pin (standard power-on reset
> > > circuit.) There is no limiting resistor on the pizzo, but even with
> > > the chip driving it hard I wouldn't expect it to develop much more
> > > than 20mA.
> >
> > Why?
> 
> Because an output pin is only supposed to be able to drive that much 
> current.
> 

But it is *your* responsibility to limit the current to 20mA, the device will 
supply current way in excess of 20mA.

Regards,
Jon