硬件说明
LED
当I/O为高值时，这些用户led是亮的，当IO为低值时是关闭的。
LPUART
低功耗串口(low power),这个串口和stlink的虚拟串口相连
OSC clock
软件
效果
详细解决方案
（RTThread)STM32-nucleoL4R5ZI--Hello RT-Thread!
热度：47 发布时间：2023-11-14 07:45:38.0
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