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MPC5775K  NCF[4] Can't be cleared during FCCU initiation

Question asked by Jianyong Shi on Nov 22, 2018
Latest reply on Dec 5, 2018 by 悠悠 悠悠

Hi 

      Our product use MPC5775K and FS6523. There is a boot failure  when the ambient temperature below -25℃。

      

      The initiation process stop at the while loop of FCCU_init() :

         FCCU_init()     while(FCCU.CTRL.B.OPS != 0x3)

      

      I tried to clear all NCF before config FCCU, but NCF[4] can't be cleared, and SSCM_STATUS.CERS is set and can't be clear by writing '1'.

        

      When ambient temperature goes above -25℃, there is no such issue.  

      

      

      

 

Peter Vlna

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