Have you put a scope or DMM on the signal to reset to make sure it is
the correct polarity?  Sometimes switches are normally closed rather
than N.O.

Ben Roothooft wrote:
>
> I am having the following trouble :
>
> I programmed the PIC16C74 with a VERY
> simple test program on a VERY simple
> testboard. I use a 2Mhz crystal in XT
> mode (C values according to the data
> sheet values, 22pF).
> The trouble is that when I turn on the
> power and hold the reset low, I see a
> nice sine wave at the CLKOUT pin. When
> I release the reset button however, it
> seems to disappear.
>
> What could be wrong ?
>
> (By the way, how sensitive is the PIC
> to electrostatic disharge...)

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