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Shutdown mode problem with STM32L4

Question asked by CONSTANT.Jonathan on Apr 10, 2017
Latest reply on Jan 5, 2018 by Marco Gilioli

Hello,

I have a board with the STM32L476RET6, the shutdown mode worked a time and now it resets just after the STM32 enters in shutdown mode. I tried the same program with another same board and the problem does not appear.

I thought it was a problem with an interrupt but even if I disable all interrupts, the problem persists. I also disabled RTC clock.

            __disable_irq();
            __disable_fault_irq();
            HAL_PWREx_EnterSHUTDOWNMode();

Thank you for your help,

Best Regards,

Jonathan

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