snip... That lets me know that everything is running correctly clock
wise ..snip.
 But does it run counterclockwise?



Regards,

Jim

> -------- Original Message --------
> Subject: Re: [PIC] pulse counter, pulses lost
> From: Mark Hanchey <mark@pixeltrickery.com>
> Date: Tue, February 21, 2012 8:29 am
> To: piclist@MIT.EDU
>=20
>=20
> On 2/20/2012 12:33 PM, KPL wrote:
> > Oh, well.
> >
> > I will never ever buy cheap crystals again.
> > I will never ever buy cheap crystals again.
> > I will never ever buy cheap crystals again.
> > I swear.
> > Seems like my 20MHz crystal was not 20MHz at all. With a different
> > crystal it counts correctly.
> >
>=20
> One of the first test I do on every setup is to set the timer to toggle=20
> a pin at 500Khz and I measure that with a frequency counter before I=20
> start to write code specific to the chip. That lets me know that=20
> everything is running correctly clock wise . I have had issues before=20
> that were crystal related and pic related where either one was at fault.=
=20
> Especially useful for when using the internal clock of the pic chips=20
> that have them . I used to assume that the internal clock is what it=20
> says but depending on the application can be a source of problems if you=
=20
> don't check it first.
>=20
> Mark
>=20
> --=20
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--=20
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