DATA STORAGE DEVICE AND METHOD FOR FLASH BLOCK MANAGEMENT
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United States of America Patent
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app pub date -
May 30, 2012
filing date -
May 18, 2012
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Abandoned
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Abstract
The invention provides a data storage device. In one embodiment, the data storage device is coupled to a host, and comprises a plurality of flash memory areas and a controller. Each of the flash memory areas comprises a spare block pool and a data block pool, wherein the spare block pool comprises a plurality of spare blocks, and the data block pool comprises a plurality of data blocks. The controller receives target data from the host, selects a target memory area to which the target data is to be written from the flash memory areas, sets a physical address range parameter according to the target memory area, sets a spare block pool parameter according to the target memory area, and writes the target data to a current data block of the target memory area.
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