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How looks a process of waking up BlueNRG-2 from deep sleep?

Question asked by kull boys on Jun 5, 2018
Latest reply on Jun 5, 2018 by Winfred Lu

Hello everyone

I am confused by documentation of BlueNRG and various description of exiting from WFI for Cortex-M0.
What is going on when BlueNRG-2 is woken up from deep sleep by external gpio pin?
Is the program continuing execution at instructions following WFI, or it causes a reset and starts from ResetHandler?

 

In my program interrupts are disabled before WFI.

Thanks.

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