On Mon, May 02, 2005 at 08:30:45AM -0400, Olin Lathrop wrote:
> Byron A Jeff wrote:
> >>I doubt it. Check the datasheet, if it promises 1% accuracy it is OK.
> >>But it will be much batter than an external RC oscillator.
> >
> >Not a chance.
> >You simply can't do reliable serial at any resonable bit rate using RC.
> 
> Why do you say that?  1% is 1% regardless of how it's derived, and 1% is
> sufficient for reliable communcation with a PC.

Because it isn't 1%. From the 16F88 datasheet it promise 2% at room temp (25C)
which is fine. However in the range of -10C to 85C it falls to 5% which is
outside the spec.

BAJ
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