Digital signal processing circuit having a pre-adder circuit
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United States of America Patent
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Nov 30, 2010
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app pub date -
May 12, 2006
filing date -
Dec 29, 2003
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Abstract
A digital signal processing circuit having a pre-adder circuit includes; a first register block and a pre-adder circuit coupled to a multiplier circuit and to a set of multiplexers, where the set of multiplexers are controlled by an opcode, and where the pre-adder circuit has a first adder circuit; and an arithmetic logic unit (ALU) having a second adder circuit and coupled to the set of multiplexers.
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