发明名称 |
System and method for efficient uncorrectable error detection in flash memory |
摘要 |
<p>A system and method for efficient uncorrectable error detection in flash memory is described. A microcontroller including a non-volatile flash memory utilizes an Error Correction Code (ECC) having a certain error detection and correction bit strength. The user data is first processed by a hash function and hash data is stored with the user data. Then, the user data and hash data are processed by the ECC system. In detection, the hash ensures that a relatively low bit-strength ECC system did not incorrectly manipulate the user data. Such a hash integrity check provides an efficient, robust detection of incorrectly corrected user data resulting from errors beyond the correction but strength of the ECC system utilized.</p> |
申请公布号 |
EP1857939(A2) |
申请公布日期 |
2007.11.21 |
申请号 |
EP20070009691 |
申请日期 |
2007.05.15 |
申请人 |
PITNEY BOWES, INC. |
发明人 |
KIRSCHNER, WESLEY A.;SISSON, ROBERT W.;HURD, JOHN A.;JACOBSON, GARY S. |
分类号 |
G06F11/10 |
主分类号 |
G06F11/10 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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