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    • 10. 发明授权
    • Method and device for reconfiguration of reliability data in flash EEPROM storage pages
    • 用于重新配置闪存EEPROM存储页面中的可靠性数据的方法和设备
    • US08060688B2
    • 2011-11-15
    • US12517000
    • 2007-12-03
    • Iwo MerglerMichael JamesRobert Manning
    • Iwo MerglerMichael JamesRobert Manning
    • G06F13/00G11C29/00
    • G06F11/1068G11C2029/4402
    • A data processing system comprises a Flash memory (120) having a storage space partitioned in a plurality of storage pages (P′). Each storage page comprises a memory reliability indicator indicative for the reliability of a storage region of the memory. Coupled to the Flash memory is a controller (150) for the Flash memory, that includes a facility for protecting data against errors occurring during storage in the Flash memory and for detecting and/or correcting errors in the data stored in the data, when retrieved from the Flash memory. A data processing unit (100) is coupled to the controller (150) that has access to a working page (P) comprising a first section of user data and a second section of management information, including a memory reliability indicator. The data processing system is characterized by a data re-arranging facility (105) for subdividing the data in the work page into a plurality of portions. Each portion comprises a part of the user data, and the last portion additionally comprises the management information including the memory reliability indicator. The controller (150) is arranged to subsequently generate redundant data for each of those portions and to write the content of the subsequent portions with its respective redundant data to the storage page (122).
    • 数据处理系统包括具有在多个存储页(P')中划分的存储空间的闪速存储器(120)。 每个存储页面包括指示存储器的存储区域的可靠性的存储器可靠性指示符。 耦合到闪存的是用于闪速存储器的控制器(150),其包括用于保护数据以防止在闪存存储期间存储期间发生的错误的设备,并且用于在检索时检测和/或校正存储在数据中的数据中的错误 从闪存中。 数据处理单元(100)耦合到控制器(150),该控制器可访问包括用户数据的第一部分的工作页面(P)和包括存储器可靠性指示器的管理信息的第二部分。 数据处理系统的特征在于用于将工作页面中的数据细分为多个部分的数据重排装置(105)。 每个部分包括用户数据的一部分,最后部分还包括包括存储器可靠性指示符的管理信息。 控制器(150)被布置成随后为这些部分中的每一个生成冗余数据,并将后续部分的内容及其各自的冗余数据写入存储页面(122)。