RECONFIGURABLE ARITHMETIC OPERATOR AND HIGH EFFICIENCY PROCESSOR HAVING THE SAME

A reconfigurable arithmetic operator and a high efficiency processor with the same are provided to supply an arithmetic operator operating as an adder or a multiplier according to an instruction, thereby increasing hardware utilization. A reconfigurable arithmetic operator comprises a booth encoder(...

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Bibliographic Details
Main Authors LYUH, CHUN GI, SUK, JUNG HEE, KIM, JONG DAE, YANG, YIL SUK, ROH, TAE MOON
Format Patent
LanguageEnglish
Published 10.06.2009
Subjects
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Summary:A reconfigurable arithmetic operator and a high efficiency processor with the same are provided to supply an arithmetic operator operating as an adder or a multiplier according to an instruction, thereby increasing hardware utilization. A reconfigurable arithmetic operator comprises a booth encoder(210), a partial product generator(220), a wallace tree circuit(230), the first register(241), the second register(242), the first MUX(251), the second MUX(252), and a CPA(Carry Propagation Adder)(260). The partial product generator generates a partial product based on encoded multiplier and multilplicand. The CPA performs an addition operation by using outputs of the first and second MUXs.
Bibliography:Application Number: KR20070125348