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8b/10 specification

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8b/10 specification by Unknown on Jul 15, 2004			Not available!
hi all: is there sombody know where can get the 8b/10b specification for free? ======================================================== å˜‰å¹´åŽæŒ‘æˆ˜å¿«ä¹æžé™ï¼Œä½ æ•¢çŽ©å—ï¼Ÿ <A HREF="http://smspop.163.com/personal/wang/17/index.htm">http://smspop.163.com/personal/wang/17/index.htm</A> hi all: is there sombody know where can get the 8b/10b specification for free? ======================================================== å˜‰å¹´åŽæŒ‘æˆ˜å¿«ä¹æžé™ï¼Œä½ æ•¢çŽ©å—ï¼Ÿ http://smspop.163.com/personal/wang/17/index.htm

8b/10 specification by Unknown on Jul 15, 2004			Not available!
Aloha! å¶é¡¶èƒœ wrote: [q] hi all: is there sombody know where can get the 8b/10b specification for free?[/q] Sure, it's available from several places, for example: <A HREF="http://216.239.59.104/search?q=cache:Y5fyq_ADqKcJ:www.actel.com/documents/5192650-0.pdf+8B+10B&hl=en">http://216.239.59.104/search?q=cache:Y5fyq_ADqKcJ:www.actel.com/documents/5192650-0.pdf+8B+10B&hl=en</A> There are also more than one Xilinx App note about this. For example XAPP336, which deals with 16b/20b, codes, which is based on 8b/10b. Note: Google is your friend, yes really. -- Med va"nlig ha"lsning, Yours Joachim Stro"mbergson - Alltid i harmonisk sva"ngning. VP, Research & Development ---------------------------------------------------------------------- InformAsic AB / Hugo Grauers gata 5B / SE-411 33 GO"TEBORG / Sweden Tel: +46 31 68 54 90 Fax: +46 31 68 54 91 Mobile: +46 733 75 97 02 E-mail: <A HREF="http://www.opencores.org/mailman/listinfo/cores">joachim.strombergson at informasic.com</A> Home: www.informasic.com ---------------------------------------------------------------------- Aloha! å¶é¡¶èƒœ wrote: hi all: is there sombody know where can get the 8b/10b specification for free? Sure, it's available from several places, for example: http://216.239.59.104/search?q=cache:Y5fyq_ADqKcJ:www.actel.com/documents/5192650-0.pdf+8B+10B&hl=en There are also more than one Xilinx App note about this. For example XAPP336, which deals with 16b/20b, codes, which is based on 8b/10b. Note: Google is your friend, yes really. -- Med va"nlig ha"lsning, Yours Joachim Stro"mbergson - Alltid i harmonisk sva"ngning. VP, Research & Development ---------------------------------------------------------------------- InformAsic AB / Hugo Grauers gata 5B / SE-411 33 GO"TEBORG / Sweden Tel: +46 31 68 54 90 Fax: +46 31 68 54 91 Mobile: +46 733 75 97 02 E-mail: joachim.strombergson at informasic.com Home: www.informasic.com ----------------------------------------------------------------------

8b/10 specification by Unknown on Jul 15, 2004			Not available!
Joachim Stro"mbergson <<A HREF="http://www.opencores.org/mailman/listinfo/cores">Joachim.Strombergson at informasic.com</A>>" wrote: [q]Aloha! å¶é¡¶èƒœ wrote: [q]hi all: is there sombody know where can get the 8b/10b specification for free? [/q] the original Widmer and Franaszek paper is available from IBM now, Its worth reading. Also I think IEEE802.3 includes details and is available free (unless thats all referenced - might be. 1G and 10G is 8b10b.) john Joachim Stro"mbergson Joachim.Strombergson at informasic.com>" wrote: Aloha! å¶é¡¶èƒœ wrote: hi all: is there sombody know where can get the 8b/10b specification for free? the original Widmer and Franaszek paper is available from IBM now, Its worth reading. Also I think IEEE802.3 includes details and is available free (unless thats all referenced - might be. 1G and 10G is 8b10b.) john

8b/10 specification by Unknown on Aug 10, 2004			Not available!
Aloha! John Sheahan wrote: [q] the original Widmer and Franaszek paper is available from IBM now, Its worth reading.[/q] [q] Also I think IEEE802.3 includes details and is available free (unless thats all referenced - might be. 1G and 10G is 8b10b.)[/q] AFAIK 10G uses 64b66b coding, not 8b10b. The scheme is similar, but you work on larger blocks which implies that the relative overhead is smaller. BTW: Here is the link to the original 8b10b paper "A DC-Balanced, Partitioned-Block, 8B/10B Transmission Code" by A. X. Widmer, P. A. Franaszek. Published in olume 27, Number 5 of IBM Journal of Research and Development. <A HREF="http://www.research.ibm.com/journal/rd/275/ibmrd2705D.pdf">http://www.research.ibm.com/journal/rd/275/ibmrd2705D.pdf</A> -- Med va"nlig ha"lsning, Yours Joachim Stro"mbergson - Alltid i harmonisk sva"ngning. VP, Research & Development ---------------------------------------------------------------------- InformAsic AB / Hugo Grauers gata 5B / SE-411 33 GO"TEBORG / Sweden Tel: +46 31 68 54 90 Fax: +46 31 68 54 91 Mobile: +46 733 75 97 02 E-mail: <A HREF="http://www.opencores.org/mailman/listinfo/cores">joachim.strombergson at informasic.com</A> Home: www.informasic.com ---------------------------------------------------------------------- Aloha! John Sheahan wrote: the original Widmer and Franaszek paper is available from IBM now, Its worth reading. Also I think IEEE802.3 includes details and is available free (unless thats all referenced - might be. 1G and 10G is 8b10b.) AFAIK 10G uses 64b66b coding, not 8b10b. The scheme is similar, but you work on larger blocks which implies that the relative overhead is smaller. BTW: Here is the link to the original 8b10b paper "A DC-Balanced, Partitioned-Block, 8B/10B Transmission Code" by A. X. Widmer, P. A. Franaszek. Published in olume 27, Number 5 of IBM Journal of Research and Development. http://www.research.ibm.com/journal/rd/275/ibmrd2705D.pdf -- Med va"nlig ha"lsning, Yours Joachim Stro"mbergson - Alltid i harmonisk sva"ngning. VP, Research & Development ---------------------------------------------------------------------- InformAsic AB / Hugo Grauers gata 5B / SE-411 33 GO"TEBORG / Sweden Tel: +46 31 68 54 90 Fax: +46 31 68 54 91 Mobile: +46 733 75 97 02 E-mail: joachim.strombergson at informasic.com Home: www.informasic.com ----------------------------------------------------------------------

8b/10 specification by Unknown on Aug 11, 2004			Not available!
Joachim Stro"mbergson <<A HREF="http://www.opencores.org/mailman/listinfo/cores">Joachim.Strombergson at informasic.com</A>>" wrote: [q] [q]Also I think IEEE802.3 includes details and is available free (unless thats all referenced - might be. 1G and 10G is 8b10b.) [/q] AFAIK 10G uses 64b66b coding, not 8b10b. The scheme is similar, but you work on larger blocks which implies that the relative overhead is smaller. [/q] XAUI (10G split in 4 separate 3.125GHz wire bits) is 8b10b last I looked. Perhaps the 10G on fibre is 64/66. Whatever - I don't have the spec these days. [q]BTW: Here is the link to the original 8b10b paper "A DC-Balanced, Partitioned-Block, 8B/10B Transmission Code" by A. X. Widmer, P. A. Franaszek. Published in olume 27, Number 5 of IBM Journal of Research and Development. <A HREF="http://www.research.ibm.com/journal/rd/275/ibmrd2705D.pdf">http://www.research.ibm.com/journal/rd/275/ibmrd2705D.pdf</A> [/q] thats the one. a good paper. Joachim Stro"mbergson Joachim.Strombergson at informasic.com>" wrote: Also I think IEEE802.3 includes details and is available free (unless thats all referenced - might be. 1G and 10G is 8b10b.) AFAIK 10G uses 64b66b coding, not 8b10b. The scheme is similar, but you work on larger blocks which implies that the relative overhead is smaller. XAUI (10G split in 4 separate 3.125GHz wire bits) is 8b10b last I looked. Perhaps the 10G on fibre is 64/66. Whatever - I don't have the spec these days. BTW: Here is the link to the original 8b10b paper "A DC-Balanced, Partitioned-Block, 8B/10B Transmission Code" by A. X. Widmer, P. A. Franaszek. Published in olume 27, Number 5 of IBM Journal of Research and Development. http://www.research.ibm.com/journal/rd/275/ibmrd2705D.pdf thats the one. a good paper.

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