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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 10, 2018 by Peter Vlna


      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