Processing unit and micro controller unit (MCU)
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United States of America Patent
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Sep 15, 2015
Grant Date -
Jan 24, 2013
app pub date -
Jul 21, 2012
filing date -
Jul 21, 2011
priority date (Note) -
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Abstract
A technology capable of reducing load on both system processing and filter operation and improving power consumption and performance is provided. In a digital signal processor, a program memory, a program counter, and a control logic circuit are provided, and a bit field of each instruction includes instruction stop flag information and bit field information. Also, the control logic circuit carries out the control in such a manner that the instruction whose instruction stop flag information is cleared is executed as is to proceed to the next instruction processing, execution of the instruction whose instruction stop flag information is set is stopped if an execution resumption trigger condition corresponding to the bit field information is not satisfied, and the instruction whose instruction stop flag information is set is executed if the execution resumption trigger condition corresponding to bit field information is satisfied, to proceed to the next instruction processing.
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