AVR-Chat

Grab AVRCalc off the projects section.
If your oscillator was exactly 8MHz, the error at 38400 is small. I
don't know what's involved in calibrating the on-board oscillator and
how it's affected by temperature or Vcc changes.

--- In AVR-Chat@yahoogroups.com, "Cat" <catalin_cluj@...> wrote:
>
> Hi,
> 
> What serial speed (RS232) can I achieve using the built-in oscilator, 
> running at 8MHz?
> 
> I'm using the "Fleury" serial library, but it looks like I can't go
above 
> 38400bps...
> 
> would this be because the RC clock is not precise enough, or because
8MHz is 
> not fast enough to go above 38400?
> 
> Thanks,
> 
> Cat
>