> Error is relative to any speed - IOW 2% error at 300b is just as
> good/bad at 115kb. 0% is the ideal, and you'll have no losses at
> any speed for any length of packet. Where error becomes more
> of a factor is as the packet lengthens. The slippage between the
> UART sampling time/position and the bit centre is progressive and
> cumulative and eventually, without correction (eg resetting the
> UART at calculated and regular intervals), the UART and data
> will get too far apart

Errr.. Instead of "packet" you mean byte here.. Async serial resyncs on
the start bit.



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