| 摘要 |
PROBLEM TO BE SOLVED: To execute power saving control corresponding to the operation condition of a system. SOLUTION: A power controller 44 judges an operation stoppable or operation limitable unit corresponding to the operation condition of the system informed from a control part 40. Then, for the judged unit, operation limit control for saving power is executed. It includes the off of a power source, the off of a clock, the lowering of a clock frequency and changeover to a sleep mode, or the like.
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