piclist 2002\09\13\170256a >
Thread: PIC powered on through port diodes
www.piclist.com/techref/microchip/ios.htm?key=port
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face BY : M. Adam Davis email (remove spam text)



The WDT doesn't turn power off to the PIC, so the power source that is
powering the pic should still be powering the pic when the WDT times
out.  The serial port shouldn't be powering it at all, especially since
you are likely to be using a rs-232 level shifter (such as the max232,
or a couple of transisters) and your pic pin shouldn't be seeing 12v.

How is your project powered?  What circuitry lies between your PC the
the PIC?

-Adam

Alan Gorham wrote:

{Quote hidden}

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