Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/32727
Title: Software instructions utilizing a hardwired circuit
Authors: ALDRIDGE, CHRISTOPHER 
PRADHAN, MRIDULA
LEE, CHONG YEE 
Issue Date: 17-Oct-2006
Source: ALDRIDGE, CHRISTOPHER,PRADHAN, MRIDULA,LEE, CHONG YEE (2006-10-17). Software instructions utilizing a hardwired circuit. ScholarBank@NUS Repository.
Abstract: A method of calculating a Cyclic Redundancy Check (CRC) value for a multi-bit input data word, using a defined generator polynomial is disclosed. The method includes the steps of: serially shifting at least a portion of the input data word into a register; XORing the contents of the register with the generator polynomial if the LSB of the register is `1`; shifting the contents of the register right by one position; shifting into the MSB position of the register a new bit of the input data word, having been XORed with the LSB of the register; repeating the previous step for all message data bits; shifting into the register a number of `0`s equal to the length of the generator polynomial; reading from the register the calculated CRC value. Apparatus for performing the method is also disclosed.
URI: http://scholarbank.nus.edu.sg/handle/10635/32727
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