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Lpc2000

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Message

Re: CAN timing again

2005-02-03 by jamesasteres

--- In lpc2000@yahoogroups.com, "Tutors of ESAcademy" 
<esacademy@g...> wrote:
> 
> > Maybe someone can answer this detaily question.  In CANBTR the 
> > default values add up to a bit time of 15 time quanta (CAN 
> clocks).  
> > This is TSEG1 + TSEG2. BUT, reading the User Manual really 
> carefully 
> > it is clear the number is 16 time quanta.  Where is that one 
extra 
> > quanta?  
> 
> I have seen this on several CAN controllers. The first time quanta 
is 
> just always there, you can't configure it - so some sort of start-
> time-quanta...
> 
> Olaf

Olaf,
Yes that seems to be the case.  I wonder if it is part of the CAN 
standard (probably is).  In my mind it is connected with the re-sync 
functionality but perhaps it has nothing to do with it.  BTW, Thank 
you VERY much for the CAN source code.
James

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