| 摘要 |
PROBLEM TO BE SOLVED: To shorten the writing time by transferring a modified data to a modifying area of an alternating block simultaneously giving instruction for erasing a current block to replace a physical address of a block indicated by a logical address with a physical address of the alternating block. SOLUTION: A logical address indicating a heat area of a location where a reloading data fed from a body device 2 stored is set for a logical address holding means 4. When the length of the reloading data and a directive for reloading are set to a memory control means 8, a logical block address held by the means 4 is inputted to an address conversion means 6 by the means 8. A physical block address indicating the current block outputted from the means 6 is set for a physical address holding means 5. A blank block managing means 7 is searched updating the address, until the address coincides with a value indicting an element address part of the physical block address prior to the altering thereof. |
