【摘要】 笔者以USB总线和CAN总线为研究对象,设计了一种基于CH372的CAN总线适配器系统。整个系统包括单片机控制、USB总线接口、CAN总线接口和光电隔离等电路模块。主要完成了由单片机、USB接口芯片、CAN控制器、CAN收发器、光电隔离器件等构成的CAN总线适配器的总体设计,进行了各模块的电路设计和相应的程序设计。更多还原

【Abstract】 The author designs a CAN bus adapter system based on CH372 with USB bus and CAN bus as the research object. The whole system includes single-chip control, USB bus interface, CAN bus interface and optical isolation circuit modules. The main design of the CAN bus adapter, which consists of single chip microcomputer, USB interface chip, CAN controller, CAN transceiver, optoelectronic isolating device and so on, is finished. The circuit design and corresponding program design of each module are carried out.更多还原