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CPU activity

Question asked by n.serina on Apr 26, 2018
Latest reply on Apr 26, 2018 by Nesrine M

Hello , 

Is there any pin on stm32f446re nucleo board which can tell CPU is active or sleeping ? basically i want to know when CPU goes to sleep and when it wakes up by monitoring a gpio . i  dont have dont have power measurement equipment

 

Thank you . 

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