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    • 10. 发明专利
    • Error correction device, error correction method and error correction program
    • 错误修正设备,错误校正方法和错误校正程序
    • JP2012212392A
    • 2012-11-01
    • JP2011078538
    • 2011-03-31
    • Mitsubishi Electric Corp三菱電機株式会社
    • ONO TAKENORIISHIDA KOZO
    • G06F12/16G06F11/10G11C29/42H03M13/43
    • PROBLEM TO BE SOLVED: To obtain correct data by correcting a soft error when the soft error occurs in data stored in a semiconductor memory.SOLUTION: In the error correction device, a memory 9 for storing correction data stores correction data, which have been the same data at least when the data have been stored and are formed of a plurality of bits, in three or more odd numbers of regions, a majority processing section 12 performs majority processing of values of each bit between the correction data stored in each region of the memory 9 for storing the correction data, generates majority data, and generates differential data indicating bits having different values between the correction data stored in each region; and a reasonable data restoration processing section 15 for generating reasonable data so that the majority data become reasonable data satisfying reasonable conditions by changing the value of the bit indicated by the differential data.
    • 要解决的问题:通过在存储在半导体存储器中的数据中发生软错误时校正软错误来获得正确的数据。 解决方案:在误差校正装置中,用于存储校正数据的存储器9存储校正数据,其校正数据至少在数据已被存储并且由多个比特形成时,具有相同的数据,具有三个或更多个奇数 多数处理部分12对存储在存储器9的每个区域中的校正数据进行存储校正数据的校正数据之间的每个位的值进行多数处理,生成多数数据,并生成指示位于第 存储在每个区域中的校正数据; 以及用于生成合理数据的合理数据恢复处理部分15,以便通过改变差分数据所指示的比特值,使多数数据变成满足合理条件的合理数据。 版权所有(C)2013,JPO&INPIT