设计了一个串口通讯的单片机数据采集模块，文中详细阐述了模块的电路原理和程序设计。
Design a data collection module with serial port based on microcontroller. The thesis explains the circuit principle and program designing in detail.
实践证明，在继电保护测试仪的数据采集系统中用usb传输取代串口传输是势在必行的。
It is proved in practice that for the data acquisition system of protective relaying testing instrument replacing the serial transmission by USB communication is imperative.
着重阐述了遵循《循环式运动规约》通过计算机串口采集数据及还原成电度值的方法。
It mainly described the methods of collecting data through computer serial interface following the CDT Motion Agreement and reverting of electricity value.
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