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    • 8. 发明授权
    • Storage controller, storage device, information processing system, and storage controlling method
    • 存储控制器,存储设备,信息处理系统和存储控制方法
    • US08898541B2
    • 2014-11-25
    • US13675768
    • 2012-11-13
    • Sony Corporation
    • Hideaki OkuboKeiichi TsutsuiKenichi NakanishiYasushi FujinamiMakiko YamamotoNaohiro Adachi
    • G11C29/00
    • G06F11/1048
    • A storage controller includes an error correcting code managing portion, an address managing portion and an error correcting portion. The error correcting code managing portion manages a correspondence relationship between predetermined plural pieces of unit data, and a second error code corresponding to the plural pieces of unit data every entry when plural pieces of unit data and a second error correcting code are stored in a storage portion. The address managing portion manages a correspondence relationship between logical addresses and the entries in the error correcting code managing portion. The error correcting portion acquires the entry in the error correction managing portion corresponding to the logical address as an object of read from the address managing portion, and carries out error correction based on the plural pieces of unit data managed in the entry concerned, and the second error correcting code.
    • 存储控制器包括纠错码管理部分,地址管理部分和纠错部分。 当多个单位数据和第二纠错码存储在存储器中时,纠错码管理部分管理预定的多个单位数据与每个条目对应的多个单位数据的第二错误代码的对应关系 一部分。 地址管理部分管理逻辑地址与纠错码管理部分中的条目之间的对应关系。 纠错部从地址管理部获取与作为读取对象的逻辑地址相对应的纠错管理部中的条目,并根据在该条目中管理的多个单位数据进行纠错, 第二个纠错码。