Nucleo
开发板st-link与串口复用下午用nucleo的
STM32f413开发板做串口中断接收时发现的一个小问题,在手册里曾经有一段关于st-link的串口描述,当时没有看懂,今天做实验才深有体会。原文是这样的:The USART3 interface available on PD8 and PD9 of the STM32 can be connected either to ST-LINK or to ST morpho connector. The choice is changed by