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STM32如何通过软件模拟串口通信?
STM32上可以通过软件模拟串口通信,不使用硬件串口引脚(如RX、TX)也是完全可行的。 关键是通过精确控制GPIO的时序、波特率、数据位和停止位来完成数据传输。 这种方法适用于一些没有USART硬件支持的场景,或者当其他硬件资源已被占用时。 软件串口通信 ...
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