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Multilevel barrel shifter for CORDIC design
Authors:Yih  S-J Cheng  M Feng  W-S
Affiliation:Dept. of Electr. Eng., Nat. Taiwan Univ., Taipei ;
Abstract:The coordinate rotation digital computer (CORDIC) algorithm is used in numerous special purpose systems for real-time signal processing applications. It uses barrel shifters to complete shift operations. However, the barrel shifter occupies most of the area of the CORDIC chip. A new structure of multilevel barrel shifters is presented. With this structure the shifter size is reduced by 68%. The novel structure can also slightly reduce the latency time of shift operations
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