【摘要】 在分析RS 4 85串行通信接口的特点及其接口电路的基础上 ,指出 :智能化电器可采用RS 4 85串行通信标准接口实现数据通信功能。本文设计了用于智能化电器的单片机与PC机之间RS 4 85通信的接口电路与通信程序。更多还原

【Abstract】 Based on the analysis of the characteristics of RS 485 serial communication interface and its interface circuits, it was pointed out that the data communication function of intelligent apparatus may be realizd by adoting RS 485 serial communication standard interface. RS 485 communication interface circuit and communication program for intelligent electrical apparatus between singlechip and PC was designed in this paper.更多还原