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.


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