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Identification and verification of a sector within a block of mass storage flash memory
Identification and verification of a sector within a block of mass storage flash memory
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机译:识别和验证大容量存储闪存块中的扇区
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摘要
A method and apparatus is disclosed for identifying a block being stored within flash memory devices using a cluster address for each block, the block being selectively erasable and having one or more sectors, the cluster address being stored in one of the sectors of the block. In an alternative embodiment, the cluster address is stored in at least two different sectors within the same block for ensuring that the information last written to the block is valid. Further disclosed is a novel way to use a defect flag for each block stored within the flash memory device for efficiently identifying non-defective blocks upon system power-up.
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