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MKE04Z64VLD somtime freeze during Power up

Question asked by Eyal Saban on Jan 21, 2018
Latest reply on Jan 23, 2018 by Eyal Saban

Hi All ,


we have design based on MKE04Z64VLD   , the MCU  is powered by 5V and the reset PIN is connected to Supervisor 



on power up sometimes , the MCU enter some freeze state and can exit this state only using additional RESET or power cycle .


the MCU toggle some LED as Keep alive indication , when it's on freeze state the LED doesn't change it's state .


any idea what could cause such issue  ?