wouter van ooijen & floortje hanneman email (remove spam text)
> I can't see now a simple switch to ground and a 10K pull up to Vcc and a
> capacitor are going to create voltage spikes below ground that can pump
> 80mA of current into the MCLR pin. Even with a several inches of wire to
> switch I doubt there would be enough inductance about to cause problems.
The cap can!
> Is the MCLR input any different in this respect to other pins ?
Yes, it does not have the normal protection diode to Vcc (because it must
accept the ~14 V Vpp). I guess RA4 is similar.
Wouter van Ooijen
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