基于ARM的移动存储设备实验设计

ARM作为嵌入式系统的处理器，具有低电压、低功耗和高集成度等特点，并具有开放性和可扩充性。ARM内核已成为嵌入式系统首选的处理器内核。USB移动存储技术把USB连接技术与Flash存储器技术结合在一起，构成一种快速、大容量、方便的新型数据交换系统。文中的实验设计针对含有ARM芯片的开发板进行开发，使设备通过USB接口和主机连接后，可以实现USB移动存储设备（如USB闪存盘）的读写功能。通过完成该实验，可以帮助实验者加深对基于ARM的开发及Nand Flash读写、USB协议的理解，提高实验者动手能力。

Experiment Design of Mobile Storage Equipment Based on the ARM

As an embedded system processor, ARM needs low voltage, low power consumption and high integration. It also has the openness and scalability. With all these characteristics, the ARM has become embedded system preferred processor core. The USB mo- bile storage technology makes USB connection technology and Flash memory technology together to constitute a rapid, large capacity, convenient and new data exchange system. This experiment is designed to develop on the development board with the ARM chip. After the development, when the device is connected with computer through the USB interface, it can accomplish the USB mobile storage device （such as USB flash disk） function of reading and writing. This experiment can help the experimenters to deepen the understand- ing of the development based on ARM, the reading and writing process of NandFlash and the USB protocol while it can enhance their practical ability.