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<h2><b>PWR_STANDBY_RTC Example Description</b></h2>
<p>How to enter the Standby mode and wake-up from this mode by using an external reset or the RTC wakeup timer.</p>
<p>In the associated software, the system clock is set to 250 MHz and the SysTick is programmed to generate an interrupt each 1 ms. The Low Speed Internal (LSI) clock is used as RTC clock source by default. EXTI_Line20 is internally connected to the RTC Wakeup event.</p>
<p>The system automatically enters Stan