设计了PLC与PC机串行通讯口之间信号适配器硬件电路，包括输入接口电路、输出接口电路。
This research works out a design of signal adaptor circuit of serial communication port between PLC and PC, including input interface circuit and output interface circuit.
本文介绍了用于激光三维图像数据采集系统中的硬件数据补偿电路和实现高速串行通讯的RS- 422接口电路。
In this paper we mainly discuss the data compensating principle and its circuit accomplishment, RS-422 interface adaptor which are used in a high-speed data acquisition system.
整个系统可通过JTAG口和RS232串行通讯口进行现场编程烧录，能方便地调整电路的工作状态或实现硬件控制程序的升级、更新。
The JTAG port and the RS232 serial port are designed to program in-situ. In teams of them, it is easily to adjust the circuit's working parameters or to update the control program.
介绍了如何在PC机与80c196单片机之间实现多机串行通讯，RS- 4 85转换电路及相应软件的设计方法。
The way to realize serial communication between PC and the microcontroller 80c196 is discussed. RS-485 converted circuits and the design method of communication software are introduced.
介绍了如何在PC机与80c196单片机之间实现多机串行通讯，RS- 4 85转换电路及相应软件的设计方法。
The way to realize serial communication between PC and the microcontroller 80c196 is discussed. RS-485 converted circuits and the design method of communication software are introduced.
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