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How to select sample point for arbitration and data field in CAN FD?

Question asked by pon alagappan on Aug 23, 2017
Latest reply on Aug 28, 2017 by jeremyzhou

Hello Techies,

 

I am working in CAN FD. I am trying with 500kbps/2Mbps Nominal(arbitration) and data bitrate.

 

When i am choosing Nominal sampling point : 80 , Data sampling point : 70                

                             Nominal sampling point : 70 , Data sampling point : 65

CAN FD transmission is working.

 

But when i am choosing same sampling point for both nominal and data bits, then it is not working.

For example Nominal sampling point : 80 , Data sampling point : 80

                  Nominal sampling point : 70 , Data sampling point : 70

 

For these settings CAN FD transmission is not working.

 

Is that anything is not proper in my settings or Is there any logic behind this selection of sample point between

nominal and data fields.

 

 

Thanks

 

Alagappan            

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