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msp432的RTC

msp432的RTC有像STM32一样的独立RTC电源引脚嘛?在数据手册上没有看到,功能需求上要求在设备断电后时钟不能断

  • 好像是没有的,不过msp432进入低功耗模式,也耗不了多少电的。

    也可以采用当外接断电时切换到用电池供电