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数据的存储和传输在嵌入式系统中有着非常重要的地位,特别是数据采集系统中。论述了基于USB的海量存储设备功能在ARM嵌入式系统中的应用。介绍了USB接口芯片PDIUSBD12,Nand型FLASH芯片K9F2808U0C和ARM处理器S3C44B0X在该设计中的具体功能,详细分析了该系统的硬件设计和软件实现,并给出了实验测试结果。
Data storage and transmission in the embedded system has a very important position, especially in data acquisition system. The application of mass storage device based on USB in ARM embedded system is discussed. This paper introduces the USB interface chip PDIUSBD12, Nand flash chip K9F2808U0C and ARM processor S3C44B0X in the design of the specific functions, a detailed analysis of the system hardware design and software implementation, and gives the experimental test results.