说明：  介绍了与51 单片机USB 接口的PC 主机在Windows 环境下软件设计过程。驱动程序由DriverStudio 生成, 动态链 接库和应用程序分别采用Visual C++ 和Visual Basic 编写。实现了PC 机与单片机之间通过PDIUSBD 12 芯片进行数据通讯 的功能。
(Abstract : The design of software under Windows in PC linking 51MCU with USB interface is presented . the process of the driver produced by DriverStudio , the dynamic link library compiled by Visual C++ and the application implemented with Visual Basic are introduced . The function of data communication between PC and MCU through PDIUSBD 12 is realized.)