【摘要】 介绍了RS-485标准串行接口以及MAX483E RS-485收发器的特点，MAX483E芯片引脚功能及其发送和接受逻辑关系。阐述了用MAX483E RS-485收发器实现单片机系统双机及多机串行通信的方法及技巧，给出了用MAX483E构成的双机和多机串行通信原理框图，以及MAX483E RS-485收发器构成的半双工串行通信时序配合应遵守的原则。更多还原

【Abstract】 The RS-485 standard serial interface and the characteristic of the MAX483E RS-485 transceiver, and the logistic relation of Transmitting and receiving and the function of in-line pin for MAX483E chip are introduced. The method and the skill of implementing serial communication of two or more single chip systems with the MAX483E RS-485 transceiver is expounded. The diagram of communication principle and the rules of half-duplex serial communication with MAX483E RS-485 transceiver are provided.更多还原