Lpc2000

Hi,

I've just uploaded the Application Node AN97046 which describes the 
how the bittiming registers are determined for a SJA1000 to the files 
section. 
In the LPC2xxx works the same CAN-core. The main difference is, that 
the clock is derivated from the VPB-clock, not from the crystal-
oscillator.       

For more information see the Bosch CAN 2.0 spec. 
http://www.can.bosch.com/docu/can2spec.pdf



  
 
 
--- In lpc2000@yahoogroups.com, "Gus" <gus_is_working@y...> wrote:
> 
> Maybe it is fixed now but I tried that SJA1000 calculator last year 
> and it gave me wrong results.
> 
> Gus
> --- In lpc2000@yahoogroups.com, "Hans Dornaus" <hans@c...> wrote:
> > Hi,
> > 
> > Try this link below. I have just done this myself. I came up with 
> the
> > following number and was able to communicate on the workbench. I 
> have still
> > do some more studing about this very important subject.
> >
> > CANBitrate250k_60MHz          0x001D0007
> > 
> > http://www.esacademy.com/faq/calc/sja1000.htm
> > 
> > 
> >   -----Original Message-----
> >   From: Gus [mailto:gus_is_working@y...]
> >   Sent: Friday, 12 November 2004 1:05 AM
> >   To: lpc2000@yahoogroups.com
> >   Subject: [lpc2000] Re: CAN Timing and BTR
> > 
> > 
> > 
> >   Peter,
> > 
> >   Here is a link to a free CAN baud rate calculator. It is made 
for
> >   Microchip products but you can use the graphs to figure out 
what 
> are
> >   the possible baud rates and all other can-bits parameters.
> > 
> >   http://www.intrepidcs.com/mcp2510/
> > 
> > 
> >   Gus
> >   --- In lpc2000@yahoogroups.com, "peterburdine" <lordofdawn@h...>
> >   wrote:
> >   >
> >   > Does anyone have a good way to generate the timings for the 
CAN
> >   bus?
> >   > I've tried to do some of the math by hand, but I can't seem 
to 
> ever
> >   > get it right.
> >   >
> >   > What I'm looking for is 125k/s @ 60MHZ, 125k/s @ 48MHz and 
> 1M/s @
> >   60 MHz.
> >   >
> >   > Thanks for any help you can give.
> >   >
> >   > --Peter
> > 
> > 
> > 
> > 
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