Power control device for processor
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United States of America Patent
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Oct 18, 2011
Grant Date -
Nov 12, 2009
app pub date -
Jul 17, 2009
filing date -
Dec 13, 2000
priority date (Note) -
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Abstract
A processor has: a power table including a plurality of power control registers each rewritably storing power control information; a condition determiner for rewritably storing a plurality of operating conditions (e.g., a comparison address to be compared with the program counter) and determining which one of the plurality of operating conditions is satisfied by a current operation of the processor so as to supply an index signal to select one of the plurality of power control registers based on the determination; and a voltage/clock controller for controlling the power consumption in a control object circuit block according to the power control information in one of the power control registers that is selected by the index signal.
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