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Issue > Sep 2007 > «Ê­±¯S¼g
 
 
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RapidIOµo®i·§­z


( 01 Sep 2007 )
Tom Cox, RapidIO Trade Association

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RapidIO¼Ð·Ç©w¸q¤F¤T­Ó¬[ºc¼h¡AÅÞ¿è¼h¡B¶Ç¿é¼h»Pª«²z¼h¡CÅÞ¿è¼h©w¸q¤FÁ`Åé¨ó©w»P«Ê¥]®æ¦¡¡B¥H¤Î°T¸¹»Ý­nµo°_»P§¹¦¨ªºµ²§ôÂI¸ê°T¡C¶Ç¿é¼h´£¨Ñ¤F¥²­nªº¸ô¥Ñ¸ê°T¡A¨Ï«Ê¥]¥i¥H±q¤@­Óµ²§ôÂI¶Ç¿é¨ì¥t¤@­Óµ²§ôÂI¡Cª«²z¼h´y­z¤F«Ê¥]¶Ç¿é¡B¸ê®Æ¬yµ{±±¨î¡B¹q®ð¥\¯à¤Î§C¯Å¿ù»~ºÞ²zªº¹q¸ô¯Å¹B¦æ¡C¤À¼hªº¤è¦¡²£«~Åý¨ã³ÆÂX¥R©Ê¡A¨ã¦³»P¤W¤@¥N²£«~¦V«á¬Û®eªº¯à¤O¡C

¦bª«²z¼h¤W¡ARapidIOªº¥þÂù¦¡¦ê¦C³s±µ±Ä¥Î²Å¦XIEEE 802.3³W½dªº¦Ê¸U¦ì¤¸¤A¤Óºô¸ôªþ¥ó¤¶­±(¤]ºÙ¬°XAUI¡AŪ§@¡§zowie¡¨)¡C¡§XAUI¡¨ªº¡§X¡¨¥Nªí10Gbps¡C³oºØ¤¶­±¥i¦b1.25GHz¡B2.5GHz©Î3.125GHzÀW²v¤U¤u§@¡A¸g¹L 8b/10b½s½X«á¡A³Ì°ª¥i¹F2.5Gbps¡C

XAUI³W½d©w¸q¤F³æ³q¹D¤Î¥|³q¹Dªº¤¶­±¡C¥|³q¹D¤¶­±´£¨Ñ¤F10Gbps¥þÂù¤uªº³q°T¡A¦ê¦CRapidIO(SRIO)¤¶­±¥i±q1Gbps¤É¯Å¨ì10Gbps¡A¬°³]­p¤H­û´£¨Ñ¤FÀ³¥ÎRapidIOªº¼u©Ê¡C

¬°¤F²¤Æ¶}µo¡ARapidIO¼Ð·Ç¹ï¦ê¦C¤Î¥­¦æ¹ê¬I´£¨Ñ¤F¬Û¦Pªº½sµ{¼Ò«¬¡A¥H°µ¬°³B²z¾÷¨î¡C³o¨Ç¼Ò«¬¥]¬A°ò¥»°O¾ÐÅé¬M®gªºI/O¡B°ò©ó³s±µ°ðªº°T®§³q¹D¡B¤Î°ò©óµwÅé¤@­P©Êªº¥þ§½¦@¥Î¦¡¤À§G°O¾ÐÅé¡CRapidIOºÞ²z¦b¸û°ª¶¥ªº¿ù»~¡A´£¨Ñ¤F³ø§i¶Ç¿é¿ù»~¤Î«ì´_ªº³~®|¡C¨C­Ó«Ê¥]¤¤³£¥]¬A¤@­ÓºÝ¨ìºÝ°j°é¤¾¾l®ÕÅç(CRC)¡C

¬°¤F±j¤Æ¤¬³q©Ê¡ARapidIO²£·~¨ó·|(RapidIO Trade Association)µoªí¥b¾ÉÅé©M¨t²Î³]­pÃþ¤ñªº¼Ð·Ç¥\¯à¼Ò«¬¡A¨Ó«OÃÒ¼t°Ó·s±À¥XªºªO¥d¤Î³]³Æ¥i»P¨ä¥L²Å¦XRapidIO³W½dªº²£«~¥¿±`¤u§@¡C¥ÑRapidIO¤u§@²Õ¨ÓºûÅ@¤ÎºÞ²z³oºØ¶}·½¥þ¥\¯à¼Ò«¬¡C

RapidIO²£·~¨ó·|¶}µo¤F¤@®MÀˬdªí¨Ó«OÃÒ¼t°Ó¥i¥H¥þ­±¦a´ú¸Õ²£«~¬O§_²Å¦XRapidIO³W½d¡C§Q¥Î¤@­Ó¡§¶Àª÷¼Ð·Ç(Gold-standard)¡¨¤¬¾Þ§@©ÊÀˬdªí¨Ó«ü¾É¹êÅç«Çªº´ú¸Õ¡CRapidIO¥þ²y³]­p®p·|³Ìªñªº¤@¶µ´ú¸Õµ¹¥X¤F³o¨ÇÀˬdªíªº­È¡A¦³16®a¼t°Ó¦@¦P§V¤O¨î©wªº³¡¤À¡C¬°¤F«OÃÒ¤¬¾Þ§@©Ê¡A¼t°Ó¥i¥H¨Ï¥ÎRIOLAB (www.rio-lab.com)ªA°È¡A³o¬O¤@¶µ´ú¸Õ³]³Æ¤¬¾Þ§@©Ê¤Î¹B¦æÀˬdªíªº¿W¥ß±¹¬I¡C

RapidIO³W½d¬°²Î¤@ªº¨ó©w¡Aªþ¦³¤Ö¶q¿ï¶µ¤Î¤@­Pªº¨ó©w¼h¡C¨Ï¥Î»PPCI¤ÎPCI-e(¦ê¦CPCI)¹B¦æ¤@¹ï¤@¹ïÀ³ªºRapidIO¸ü¤J/Àx¦s¹B¦æ¡APCI¥i¥H»´ÃP¦a¹ê²{Âà´«¡CRapidIO¶}µo¤F¤@­Ó«Ê¸Ë¨óij¨Ó³B²z¤A¤Óºô¸ô«Ê¥]¡A³]­p¤H­û¨Ï¥ÎRapidIO¦b¤A¤Óºô¸ô¤¤§Q¥Î¥æ´«¶×¬y±Æµ²ºc¶Ç¿é°T¸¹®É¡A¥i¥H´£°ª¨t²Î©Ê¯à¡CRapidIO³nÅé¤u§@²Õªº¦¨­û¥¿¦b¶}µo¼Ð·Ç¨Ï¥Îªº¼Ò«¬¡A³oºØ¼Ò«¬·|¼W±j¤U¤@¥N¨t²Î¤¤ªºPCIExpress¡BRapidIO¤Î¤A¤Óºô¸ôªº¸É¥R§@¥Î¡C

³ÌªñªºRapidIO³W½d (1.3) ±N°ª¶¥ªº¦h¼½¸ê®Æ¬yµ{(Multicast and data streaming)¼W±j¥\¯à¶°¤¤¨ì¤F¤@°_¡C³o¨Ç¸É¥R³W½d¥D­n¬O¦^À³¹ï5 Gbps©M6.25Gbps¡B³q¹D³t²v¤Î´£¨Ñ¹BÀç°Ó¯Å©Ê¯à¼W±jªº­n¨D¡C¦¹¥~¡ARapidIO²£·~¨ó·|ÁÙ¦b¶}µo¨ä¥L´X¶µ¼W±j³W½d¡C

°Ñ¦Ò¸ê®Æ
¡E¡§¨t²Î¤¬³sµ²ºc¡G¤A¤Óºô¸ô»PRapidIO§Þ³N¡¨¡CRapidIO²£·~¨ó·|¡Cwww.RapidIO.org/outperforms_whitepaper/.»Ý­n²³æµù¥U¡C
¡EBouvier, Dan,¡§RapidIO¡G°ª®Ä¯à´O¤J¦¡¨t²Îªº¤¬³s¬[ºc¡¨ www.techonline.com/electronics_directory/techpaper/193101971
¡EFuller, Sam, ¡§RapidIO¡G´O¤J¦¡¨t²Î¤¬³s¡¨ John Wiley & Sons, Hoboken, NJ.2005. ISBN: 978-0-470-09291-0.
¡E¡§XAUI¤¶­±¡G³£·|ºô¸ô¤¤¨Ï¥Îªº¤¸¥ó¡¨¡CXilinx.www.xilinx.com/esp/wired/optical/xlnx_net/xaui.htm.

§@ªÌ²¤¶
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