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STM32系统学习——USART(串口通信)
发布者:bin0990来源: eefocus关键字:STM32 系统学习 USART 串口通信手机看文章 扫描二维码 串口通信是一种设备间非常常用的串行通行方式,其简单便捷,大部分电子设备都支持。 一、物理层 常用RS-232标准,主要规定了信号的用途、通信接口以及信号的电平标准。
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