This thesis using FPGA devices and VHDL hardware description language to completed the design and realization of USB equipment controller.

本文主要通过FPGA器件，利用HDL硬件描述语言，初步完成了USB设备控制器的设计和实现。

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The article introduces a unique hardware realization, which utilizes less-foot, low-cost and easy-to-get logistic interfaces, as PAL, CPLD or FPGA.

本文介绍了一种特殊的硬件实现方法，使用了管脚少、成本低、容易得到的逻辑接口器件，例如可编程逻辑阵列（PAL）、可编程逻辑电路（CPLD）或者FPGA。

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As the aspect of hardware, this articleparticularly discusses the schemes and circuits realization of some function modules, which include signal adjustment, A/D conversion and FPGA configuration.

在硬件方面，特别讨论了信号调理模块、模数转换模块、FPGA芯片配置等功能模块的设计方案和硬件电路实现方法。

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