That percentage is the actual error if you compare the actual speed of the
PICmicro using the mentioned (in the datasheet) crystal and the speed
standard.

For example, the standard speed is 19200 baud, but with the 0.16% error you
will have (in the PIC) 19230 baud.

See?

Regards,

Mauricio Jancic
Janso Desarrollos - Microchip Consultants Program Member
info@janso.com.ar
www.janso.com.ar
(54) 11 - 4542 - 3519
 

> -----Original Message-----
> From: piclist-bounces@mit.edu 
> [mailto:piclist-bounces@mit.edu] On Behalf Of kenasw@btinternet.com
> Sent: Friday, May 13, 2005 12:20 PM
> To: Microcontroller discussion list - Public.
> Subject: [PIC] Error % charts of PIC USART ?
> 
> In the datasheet of 18F2455 we have
> Table 20-3 Baud Rates For Aynchronous Modes (USART module) (I 
> guess other pics would have the same thing as well) The 
> errors seem to range from 0.16% up to -45.75%. Are all these 
> values valid, or should I be aiming at a certain percentage, 
> I am confused?
> --
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