Bytes sent as unclocked data at a pre-arranged baud rate, so your USB-UART adapter or MCU’s UART peripheral will work for most RS485 purposes. Just like with UART, there are only a few commonly ...
在单片机开发中，UART、I2C、RS485等普遍在用，对它们的认识可能模棱两可 ... 所以称0为显性，1为隐性。 USB接口最少有四根线，其中有两根是数据线，而所有的USB数据传输都是通过这两 ...
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