Data completeness protection method of flash storage
A technology of data integrity and flash memory, applied in static memory, memory system, read-only memory, etc., can solve the problems of adding backup battery, storage block data failure, abnormal power failure, etc., to improve safety reliability, safety Reliable storage and the effect of avoiding data loss
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[0018] Below in conjunction with accompanying drawing and in conjunction with embodiment the present invention is described in further detail:
[0019] The flash memory of the present invention is provided with a main storage area and a backup storage area, wherein the main storage area and the backup storage area respectively have one or more storage blocks, and the writing and erasing operations of flash memory data are performed according to the storage blocks.
[0020] The storage block data in the main storage area and the backup storage area pass the checksum verification of the detection data. If the checksum verification is correct, it is valid data; if the checksum verification fails, it is damaged data. The checksum is a value calculated for a piece of data, through which it can be checked whether the original data has changed, and this value is stored together with the original data.
[0021] figure 1 Shown is the new data record write operation process, specifical...
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