Ralf.Baechle

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Sam Spade (talk · contribs) 00:26, 18 Jan 2005 (UTC)

CRC-8-CCITT

Latest comment: 14 years ago3 comments2 people in discussion

Hello Ralf, do you happen to have a citation for the polynomial $x^{8}+x^{7}+x^{3}+x^{2}+1$ you contributed to the Cyclic redundancy check page in 2006? It seems doubtful that the 1-Wire Bus would use two polynomials of the same length. On the plus side, I'd find any literature you do track down very useful. Thanks. – Regregex (talk) 18:33, 4 December 2009 (UTC)Reply

CRC-8

It's all even worse. That edit is over three years old so I went to re-research it.

I think I figured out why I thought the polynomial was $x^{8}+x^{7}+x^{3}+x^{2}+1$ . I went through Dallas' documentation and they all consistently use $x^{8}+x^{5}+x^{4}+1$ . I also found $x^{8}+x^{2}+x+1$ in the ITU-T I.432.1 (02/99) specification so I'll throw that into the CRC article. —Preceding unsigned comment added by Ralf.Baechle (talk • contribs) 02:24, 24 December 2009 (UTC)Reply

Thanks for the reply, and your edits. – Regregex (talk) 14:08, 28 December 2009 (UTC)Reply

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02:17, 20 March 2015 (UTC)

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