The PIC should NEVER get hot in normal operation. If you can, breadboard the PIC
with just the RC osc running and see if it gets hot. If it does, shotgun it.
Rick

Jeff DeMaagd wrote:

> I am running a 16F872 by an RC oscillator, with 4.7k and ~50pF components.
>
> I have an a2d on a 5k pot, and a few buttons on porta, a bunch of LEDs on
> portc, with a bunch of the appropriate resistors and the port configured to
> sink current to light the LED, and everything else has pull-up or pull-down
> resistors and set as inputs.  The voltage rails are 5VDC apart.  I am using
> the watchdog timer.
>
> The thing is that I have run this circuit before and I don't remember the
> PIC getting hot.
>
> Is it possible that the chip I'm using got fried from a previous use?
> Presently, this is the last of my 16F872s that are still operating and am
> wondering if something weird went on in the previous experiment, I pulled it
> out of a circuit that is pretty old, so I don't remember much from it.
>
> Has anyone had something like that happen before?
>
> Thanks
>
> Jeff
>
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