Oh, i didn't know the RC could be so innacurate.  I think I have
successfully configured OSCCON and T1CON, but now my ICD2 refuses to
program - it says it programs OK, but when it verifies it never
succeeds.  Does anyone know if the ICD is actually compatible with
using T1 as the system clock?

On 5/8/05, Olin Lathrop <olin_piclist@embedinc.com> wrote:
> Dave Turner wrote:
> > I have it next to an accurate clock here, and it
> > can get as far out as half a second every 2 minutes.
> 
> So that's 1/2 a part in 120, or 1 part in 240, or about 1/4 percent.
> 
> > I am using the
> > 16F87's internal oscillator, running at 8MHz.  I have checked the
> > datasheet for the 16F87, and it says the internal oscillator is +- 1%
> > accurate, I think, at 25 degrees C.  I think something must be very
> > wrong for it go get that far out.
> 
> Huh?  It's specified at 1% and your seeing 1/4%.  Looks like everything is
> working fine.
> 
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