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barrel shifter

   Also found in: Wikipedia 0.09 sec.
(hardware)barrel shifter - A hardware device that can shift or rotate a data word by any number of bits in a single operation. It is implemented like a multiplexor, each output can be connected to any input depending on the shift distance.
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Although the fast 32 bit variable rotation used by RC6 is potentially resource intensive, the implementers found that a simple five-stage 32 bit barrel shifter was sufficient.
Report on the Development of the Advanced Encryption Standard (AES) by Roback, Edward / Journal of Research of the National Institute of Standards and Technology
The barrel shifter enables logic/arithmetic shift operations.
Ramtron Introduces the First FRAM-Enhanced 8051 MCU; Groundbreaking ... by Business Wire
The barrel shifter enables logic/arithmetic shift operations.
Ramtron Launches Fast and Flexible Versa 8051 MCU: A Cost-Efficient ... by Business Wire
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