| 摘要 |
PROBLEM TO BE SOLVED: To provide a nonvolatile storage device for reducing the frequency of garbage collection and writing data at high speed. SOLUTION: The nonvolatile storage device 110 inputting input data as data of sector units, from an access device 100 comprises a nonvolatile main storage memory 130 wherein data is written in page units larger than sector units; an auxiliary storage memory 122 holding the input data at least by a page unit portion; a CPU 121 including a memory determining part for determining whether the auxiliary storage memory 122 holds the data of page units or more; and a memory control part 123 writing data held in the auxiliary storage memory 122, into a new page of the main storage memory 130 in the page units when the auxiliary storage memory 22 is determined to hold the data of page units or more by the memory determining part. COPYRIGHT: (C)2007,JPO&INPIT
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