user21214: i have a Arduino Mega 2560 and want send data with 230400bps to my laptop without any framingerror.
I want send the data over USB with serial.print ist that possible or must i use the ethernet?
When that is possible it will be really nice when someone can write what i have to do.
With friendly wishes sniffi

user13432: 
Is it possible to overclock the baudrate from the mega to 230400 bps?

Yes, setting that baud-rate is not a problem but this specific baud-rate may will give a high error rate. According to the AVR baud-rate calculation (UBRRn Settings for 16 Mhz system clock) the error is 8.5% (U2Xn=0) and -3.5% (U2Xn=1). 
Simply choosing 250000 bps will remove this error. 
Cheers!

21214: <p>i have a Arduino Mega 2560 and want send data with 230400bps to my laptop without any framingerror.</p>

<p>I want send the data over USB with serial.print ist that possible or must i use the ethernet?</p>

<p>When that is possible it will be really nice when someone can write what i have to do.</p>

<p>With friendly wishes sniffi</p>
 13432: <blockquote>
  <p>Is it possible to overclock the baudrate from the mega to 230400 bps?</p>
</blockquote>

<p>Yes, setting that baud-rate is not a problem but this specific baud-rate may will give a high error rate. According to the AVR baud-rate calculation (UBRRn Settings for 16 Mhz system clock) the error is 8.5% (U2Xn=0) and -3.5% (U2Xn=1). </p>

<p>Simply choosing 250000 bps will remove this error. </p>

<p>Cheers!</p>
