DATA STORAGE DEVICE AND CONTROL METHOD THEREOF
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United States of America Patent
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Issued Date -
Jun 29, 2017
app pub date -
Feb 3, 2016
filing date -
Dec 23, 2015
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Abstract
A data storage device includes a physical storage unit, an authentication unit and a control unit. The authentication unit has a unique identification code. The control unit is electrically connected with the physical storage unit and configured to receive an identification command corresponding to the unique identification code. When the control unit receives the identification command, the control unit generates a logical block starting address and an available space according to the identification command, and determines a specified physical accessing block of plural physical accessing blocks of the physical storage unit according to the logical block starting address and the available space. The logical block starting address is a positive integer. In addition, a size of the physical accessing block is smaller than or equal to a size of the physical storage unit.
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