Barry,

 Did you remember to make the pins Digital I/O?  They power up as
 analog and inputs.  Of course, this doesn't explain the 0 volts.

                                           Regards,

                                             Jim


On Wed, 14 February 2001, Barry Gershenfeld wrote:

>
> We just fired up a board with a 12C671, and of course it didn't
> work.  How you debug a chip like that, I think you have to
> do it by staring at it...(I'm gonna look at the C compiler
> output)
>
> What bothered me above all is that the output pin showed 0 volts.
> I mean 0.000 volts.  Is something wrong with this picture?  Is
> there a technology (FET, etc.) that would give a real low
> state of 0 volts?  It's not shorted (we measured several K
> to ground) and the PIC has power.
>
> Barry
>
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jim@jpes.com

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