Lpc2000

Confirmed

12 MHz  ->  max baudrate 38400
16 MHz  ->  max baudrate 19200
24 MHz  ->  max baudrate 38400

Robert

--- In lpc2000@yahoogroups.com, "seangra" <sgraham@o...> wrote:
>
> Based on my calculations, 16MHz can only get to 19,200 (7% error 
at 
> 38,400) and 24MHz can get 38,400.  If you went up to 48MHz crystal 
> you could get 57,600.
> 
> -- Sean
> 
> --- In lpc2000@yahoogroups.com, "philips_apps" <philips_apps@y...> 
> wrote:
> >
> > All,
> > 
> > based on the algorithm the bootloader uses to determine the 
> > baudrate, as Joel already found out, it is correct that the max 
> > baudrate for 12 MHz is 38400 Baud. 
> > 
> > Will do some additional tests to determine the baudrates for 16 
> MHz 
> > and 24 MHz but we assume that 12 MHz will be the most used 
crystal 
> > as it provides functionality for USB and enables the 60 MHz max. 
> CPU 
> > speed as well. 
> > 
> > Sorry for not providing the appropriate values in the table for 
> the 
> > ISP, will update with the next reloease of the Users Manual but 
> that 
> > might still take a little while. 
> > 
> > Robert
> > 
> > --- In lpc2000@yahoogroups.com, "Joel Winarske" <joelw@i...> 
wrote:
> > >
> > > > To get the 48 MHz necessary for the LPC214x USB, you must 
use 
> a 
> > crystal
> > > > of 12.0 MHz, 16.0 MHz, or 24.0 MHz.  None of these 
frequencies 
> > are
> > > > mentioned in the manual table 291 that lists the possible 
ISP 
> > baud
> > > > rates with various crystal frequencies.  Can you use serial 
> ISP 
> > with
> > > > 12/16/24 MHz, and with which baud rates?
> > > 
> > > At 12MHz the highest the Phillips Flash utility will connect 
is 
> > 38.4k baud.
> > > I cannot connect running a higher baud. 
> > > 
> > > Joel
> > >
> >
>