【摘要】 设计实现了双口232/485通信协议转换系统。详细介绍了以AT89C51单片机为核心的系统硬件组成、上、下位机的通信协议及具体软件实现。更多还原

【Abstract】 Here is a design realizing the conversion system of communication protocol with a couple intrface 232/48,which introduces in detail the conversion system based on the single-chip processor AT89C51,the hardware components,as well as the implementation of software and communication protocol.更多还原