Andy Kunz <PICLIST@MITVMA.MIT.EDU> wrote:

> Since the PIC uses so little power, did you know you can actually
> operate it using the I/O pins rather than the Vdd and Vss lines?
> Try it sometime - it really works.

Andy:

The reason it works has little to do with the PIC's power consumtion
and a LOT to do with the fact that most of its I/O pins have
protection "diodes" to Vdd and Vss.  When you apply a voltage to an
I/O pin while leaving the Vdd pin open, that voltage powers the PIC
through those diodes.

-Andy

=== Andrew Warren - fastfwd@ix.netcom.com
=== Fast Forward Engineering - Vista, California
===
=== Custodian of the PICLIST Fund -- For more info, see:
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