In this paper, the hardware circuit design of USB interface based on PDIUSBD12 chip is introduced, meanwhile implement of USB firmware program...
文中介绍了基于PDIU S - BD 12芯片的USB接口的硬件电路设计，并介绍了USB固件编程的实现。
In the aspects of software modularization, emphasize to analyze USB device firmware, driver program of computer operating system and interface program-three parts of programming method.
在针对软件的模块化方面，着重分析了USB外设端的固件、主机操作系统上的客户驱动程序以及操作界面程序三个部分程序编写方法。
There were analog multiplexers, A/D conversion(analog digital conversion), FIFO module, CPLD module in the hardware design and CPLD program, USB firmware, USB driver in the software design.
在硬件上包含多路开关、模数转换、FIFO模块、CPLD模块、USB模块； 在软件上包含CPLD编程、USB固件、USB驱动以及应用程序。
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