【摘要】 针对USB和PROFIBUS总线的应用现状,提出一种基于USB接口将主机接入PROFIBUS的实现方案,对核心部件的软硬件设计进行了详细的叙述。采用高速USB芯片CY7C68013,利用其GPIF可以很好地与PROFIBUS模块接口,扩展主机与PROFIBUS总线连接。更多还原

【Abstract】 According to the application of USB and PROFIBUS,this paper proposed a typical realization of connecting the host with PROFIBUS based on USB interface.The designing of primary components was elaborately presented on hardware and software respectively.Adopting GPIF(General Programmable Interface) of the high-speed microprocessor CY7C68013 will have an easy access to the PROFIBUS module,and it will make it easy to develop connect between Host and PROFIBUS.更多还原