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Internal clock CANbus.

 
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jjude



Joined: 12 Nov 2007
Posts: 37

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Internal clock CANbus.
PostPosted: Fri Jan 23, 2009 4:58 am     Reply with quote
Hi.

If i config 18f2480 chip make use of 8 Mhz internal clock.
Can i make CANbus?
How speed?

Sorry my bad english.
PICoHolic



Joined: 04 Jan 2005
Posts: 224

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PostPosted: Fri Jan 23, 2009 6:09 am     Reply with quote
Check this out:
http://ww1.microchip.com/downloads/en/AppNotes/00754.pdf
jjude



Joined: 12 Nov 2007
Posts: 37

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PostPosted: Fri Jan 23, 2009 8:29 am     Reply with quote
PICoHolic wrote:
Check this out:
http://ww1.microchip.com/downloads/en/AppNotes/00754.pdf


I understand english very bad.
Can anybody answer my questions YES or NO, and speed?!?!
PCM programmer



Joined: 06 Sep 2003
Posts: 21708

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PostPosted: Fri Jan 23, 2009 1:58 pm     Reply with quote
See this thread:
http://www.ccsinfo.com/forum/viewtopic.php?t=22138&start=7

It explains how to use the MBTime program to see if a CAN bus
bit timing will work, for a given PIC oscillator frequency. It also
creates the parameters to load into the PIC's registers to create
the desired CAN bus timing.

The thread in the link above explains completely how to do it.
It has a link to download the MBTime program.
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