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MPC5748 CAN FD with a PCAN-USB Pro FD

Question asked by khaled brahem on Apr 4, 2018

Hello,

I'm having some problems when connecting CAN FD with a PCAN-USB Pro FD

tests done : 

FlexCANx sending to FlexCANy :OK

PCAN listening on  FlexCANx sending  to FlexCANy :OK

PCAN sending to  FlexCANx : not OK 

error discription 

MPC5748 side : RXWRN error occuring but some frames are received 

PCAN side : error passive then bus-off

config MPC5748 :

 

16 Mhz CLK

CAN nominal bitrate 250 Kbis/s

CAN data bitrate 2000 Kbits/s

FPRESDIV = 0
FRJW = 0
FPROPSEG = 3
FPSEG1 = 1
FPSEG2 = 1

config PCAN: check joined photos

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