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trouble about flexray model on MPC5744

Question asked by 耀真 卢 on Jul 8, 2020
Latest reply on Jul 30, 2020 by Peter Vlna

I am trying to develop the flexray module on MPC 5744 ,but it can't go to the state called normal active. and the oscilloscope can't see anywaveform.   the bitfield called PROTSTATE in the PSR0 register is 111:POC:startup.And the  bitfield called STARTUPSTATE in the PSR0 register is 0010:POC coldstart colliion reolution.And the  bitfield called WEAKUPSTATUS is 101:POC collision unknown.I don't know the reason about this situation.

I hope someone could help me .