As the title says, using the internal RTC, the second interrupt can wake up in most cases, but there is a situation where it cannot wake up after low power consumption. I don’t know why, please help.
[font=微软雅黑][size=4]STM32WBx5 is the latest dual-core wireless MCU launched by ST in February 2019. It is equipped with Bluetooth 5, OpenThread and ZigBee3.0 connection technologies, and has ultra-low
As we all know, there are currently five recognized communication equipment giants in the world, namely Huawei, Nokia, Ericsson, ZTE and Samsung. These five giants basically monopolize the global comm