| 摘要 |
<p>A storage device (50) able to make a redundant write operation of unselected data unnecessary and able to optimize an arrangement of pages to a state having a high efficiency for rewriting, wherein the storage device (50) has a first memory unit (51), a second memory unit (52) having a different access speed from the first memory (51), and a control circuit (54), wherein the control circuit (54) has a function of timely moving the stored data in two ways between the first memory unit (51) and the second memory unit (52) having different access speeds in reading or rewriting.</p> |
