| 摘要 |
PROBLEM TO BE SOLVED: To provide a memory controller that requires a small storage capacity for address translation tables. SOLUTION: The memory controller has the address translation tables 27 that comprises scope 0 to scope 3 which store address translation data, and control tables 28 that showing that each of scope 0 to scope 3 corresponds to which of the area of a memory. The controller converts logical block addresses located in the host addresses into physical addresses on the basis of the address translation information stored in the selected scope that is selected by high order 5 bits of the host addresses. |
