CRC Standard Polynomials

  • To represent CRC generators

crcpoly.PNG
[PNG image (39.04 KB)]


  • Standard polynomials

Name Polynomial Application Divisor
CRC-8 x8 x2 x 1 ATM header 100000111
CRC-10 x10 x9 x5 x4 x2 1 ATM AAL 1100011011
ITU-16 x16 x12 x5 1 HDLC 10001000000100001
ITU-32 x32 x26 x22 x16 x12 x11 x10 x8 x7 x5 x4 x2 x 1 Lans 100000100010000010001110110110111





  • Performance of CRC
    • To detect all burst errors affecting odd number of bits
    • To detect all burst errors of length than or equal to the degreeof the polynomial
    • To detect with a very high probability burst errors of length greater than the degree of the polynomial



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