| 摘要 |
PROBLEM TO BE SOLVED: To provide a terminal unit reducing power consumption in self-refreshing of a DRAM. SOLUTION: The terminal unit 1 comprises a memory allocation management means 12 including a memory management unit for controlling address conversion from logic addresses into physical addresses in units of pages and managing a memory region allocated to a program executed on a logic address space; a program execution management means 14 managing the execution of the program; and an allocation priority management means 13 managing allocation priority used by the memory allocation management means 14 to determine the physical pages included in the memory region allocated to the program. The terminal unit 1 further comprises a power saving mode control means 15 controlling transition between a normal mode and a power saving mode of the terminal unit and specifying whether to carry out self-refreshing of a refresh region to a storage means based on memory allocation information currently in use managed by the memory allocation management means in the power saving mode. COPYRIGHT: (C)2008,JPO&INPIT
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