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    • 5. 发明专利
    • Method for accessing storage device through universal serial bus
    • 通过通用串行总线访问存储设备的方法
    • JP2007323243A
    • 2007-12-13
    • JP2006151141
    • 2006-05-31
    • Alcor Micro Corpアルコー マイクロ,コーポレイション
    • CHANG CHI-TUNGYANG SHIH-HSIENWANG CHING-WEN
    • G06F13/38
    • PROBLEM TO BE SOLVED: To provide a method for accessing a storage device through a universal serial bus by which the problem that an access efficiency is degraded is solved in a conventional USB storage device.
      SOLUTION: A storage device is provided with a flash controller and a flash memory, and the storage device is connected to the USB interface of an electronic device (21), and the electronic device transmits a plurality of read/write commands to the flash controller (22), and the flash controller determines which of a plurality of read/write data included in the read/write command should be temporarily stored in a cache random access memory based on a conversion table in the flash file system, and determines the priority order of the read/write commands (23), and the flash controller executes the read/write commands based on the priority order, and writes the temporary storage data temporarily stored in the cache random access memory in the flash memory (24).
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种通过通用串行总线访问存储设备的方法,通过该通用串行总线,在传统的USB存储设备中解决了访问效率降低的问题。 解决方案:存储设备设置有闪存控制器和闪存,并且存储设备连接到电子设备(21)的USB接口,并且电子设备向多个读/写命令发送多个读/写命令 闪存控制器(22)和闪存控制器基于闪存文件系统中的转换表,确定读/写命令中包括的多个读/写数据中的哪一个应该临时存储在高速缓存随机存取存储器中,以及 确定读/写命令(23)的优先顺序,并且闪存控制器基于优先级顺序执行读/写命令,并将临时存储在高速缓存随机存取存储器中的临时存储数据写入闪存(24 )。 版权所有(C)2008,JPO&INPIT