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Reconfigurable Linear Feedback Shift Register

Publication Type : Conference Paper

Publisher : Elsevier

Source : Proceedings - 4th International Conference on Smart Systems and Inventive Technology, ICSSIT 2022

Url :

Campus : Amritapuri

School : School of Engineering

Department : Electronics and Communication

Year : 2022

Abstract : A linear feedback shift register (LFSR) is a shift register in which the feedback, i.e., the linear function of two or more of its previous states also known as taps, is given as a serial input. Due to the feedback connection, the pseudo-random sequences get repeated continuously resulting in a longer period that will be helpful for operations to be performed regularly. LFSR generates various pseudo-random sequences of the same length (repeated after a particular cycle length period) for each polynomial depending on the type of feedback. The maximum length (can be provided by a primitive polynomial) of an LFSR sequence is 2n-1, n is the number of flip-flops. This paper proposes a design of reconfigurable LFSR, which takes the seed values externally and can work as Standard, Galois, Complete or Reseeding designs of LFSR, depending on a mode switch in the circuit. The proposed design is implemented and analyzed for polynomials of degree 2 to 11

Cite this Research Publication : Madhulatha Kamma , Jyothika Karasani , Somanathan, Geethu Remadevi , Bhakthavathchalu, Ramesh ,"Reconfigurable Linear Feedback Shift Register",

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