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<html><head><title>饮水思源精华区</title><Content-type: text/html; charset=gb2312><link rel=stylesheet type=text/css href="bbsdl.css"></head><table cellspacing=0 class=title width=90%><th class=title align=left width=20%>饮水思源站</th><th class=title align=center width=60%>文章阅读</th><th class=title align=right width=20%>精华区离线浏览</th></tr></table><hr><table align=center cellspacing=1 class=doc><tr><td>发信人:&nbsp;fangf&nbsp;(方方),&nbsp;信区:&nbsp;DSP<br>标&nbsp;&nbsp;题:&nbsp;高速实时数字信号处理技术探析(三)&nbsp;<br>发信站:&nbsp;饮水思源站&nbsp;(Mon&nbsp;Jun&nbsp;&nbsp;7&nbsp;18:18:36&nbsp;1999)&nbsp;,&nbsp;站内信件<br>----(3)ADSP2106x：&nbsp;片&nbsp;间&nbsp;并&nbsp;行，&nbsp;多&nbsp;种&nbsp;体&nbsp;系&nbsp;结&nbsp;构&nbsp;<br><br>&nbsp;&nbsp;<br>&nbsp;&nbsp;----ADSP2106x&nbsp;是&nbsp;美&nbsp;国AD&nbsp;公&nbsp;司&nbsp;推&nbsp;出&nbsp;的&nbsp;可&nbsp;并&nbsp;行&nbsp;扩&nbsp;展&nbsp;的&nbsp;超&nbsp;级&nbsp;哈&nbsp;佛<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;指&nbsp;令&nbsp;计&nbsp;算&nbsp;机（SHARC）。&nbsp;这&nbsp;种&nbsp;芯&nbsp;片&nbsp;片&nbsp;内&nbsp;有&nbsp;四&nbsp;套&nbsp;独&nbsp;立&nbsp;的&nbsp;总&nbsp;线，<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;可&nbsp;完&nbsp;成&nbsp;双&nbsp;向&nbsp;数&nbsp;据&nbsp;存&nbsp;取、&nbsp;指&nbsp;令&nbsp;存&nbsp;取、&nbsp;非&nbsp;指&nbsp;令&nbsp;性I/O，&nbsp;因&nbsp;此&nbsp;与<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;一&nbsp;般&nbsp;哈&nbsp;佛&nbsp;结&nbsp;构&nbsp;计&nbsp;算&nbsp;机&nbsp;相&nbsp;比&nbsp;被&nbsp;称&nbsp;为SHARC。&nbsp;<br><br>&nbsp;&nbsp;<br>&nbsp;&nbsp;----&nbsp;这&nbsp;种&nbsp;芯&nbsp;片&nbsp;的&nbsp;主&nbsp;要&nbsp;型&nbsp;号&nbsp;包&nbsp;括ADSP21060、ADSP21061、ADSP21062<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;等，&nbsp;其&nbsp;主&nbsp;要&nbsp;特&nbsp;点&nbsp;是&nbsp;在&nbsp;一&nbsp;个ADSP21020&nbsp;的&nbsp;浮&nbsp;点DSP&nbsp;核&nbsp;心&nbsp;基&nbsp;础&nbsp;上<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;集&nbsp;成&nbsp;了&nbsp;片&nbsp;内&nbsp;大&nbsp;容&nbsp;量&nbsp;双&nbsp;口RAM&nbsp;和&nbsp;并&nbsp;行&nbsp;处&nbsp;理&nbsp;接&nbsp;口，&nbsp;因&nbsp;此&nbsp;是&nbsp;一&nbsp;<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;个&nbsp;可&nbsp;并&nbsp;行&nbsp;扩&nbsp;展&nbsp;的SHARC&nbsp;结&nbsp;构。&nbsp;<br><br>&nbsp;&nbsp;<br>&nbsp;&nbsp;----ADSP2106x&nbsp;的&nbsp;最&nbsp;大&nbsp;特&nbsp;点&nbsp;就&nbsp;是&nbsp;支&nbsp;持&nbsp;多DSP&nbsp;系&nbsp;统，&nbsp;可&nbsp;以&nbsp;方&nbsp;便&nbsp;地<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;构&nbsp;成&nbsp;各&nbsp;种&nbsp;体&nbsp;系&nbsp;结&nbsp;构&nbsp;的&nbsp;多DSP&nbsp;系&nbsp;统。ADSP2106x&nbsp;对&nbsp;多DSP&nbsp;处&nbsp;理&nbsp;的<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;支&nbsp;持&nbsp;包&nbsp;括6&nbsp;个&nbsp;连&nbsp;接&nbsp;口（Link&nbsp;Port）；&nbsp;大&nbsp;容&nbsp;量&nbsp;片&nbsp;内&nbsp;存&nbsp;储&nbsp;器&nbsp;和DMA<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;传&nbsp;输；&nbsp;统&nbsp;一&nbsp;分&nbsp;配&nbsp;的&nbsp;片&nbsp;内&nbsp;存&nbsp;储&nbsp;器&nbsp;地&nbsp;址；&nbsp;与&nbsp;宿&nbsp;主&nbsp;机&nbsp;接&nbsp;口；&nbsp;<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;分&nbsp;布&nbsp;式&nbsp;总&nbsp;线&nbsp;仲&nbsp;裁&nbsp;逻&nbsp;辑&nbsp;等。&nbsp;其&nbsp;中，ADSP21&nbsp;06x&nbsp;的&nbsp;连&nbsp;接&nbsp;口&nbsp;是&nbsp;其<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;对&nbsp;多DSP&nbsp;处&nbsp;理&nbsp;的&nbsp;主&nbsp;要&nbsp;支&nbsp;持&nbsp;手&nbsp;段&nbsp;之&nbsp;一；&nbsp;其6&nbsp;个&nbsp;连&nbsp;接&nbsp;口&nbsp;可&nbsp;实&nbsp;<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;现6&nbsp;片DSP&nbsp;并&nbsp;行&nbsp;互&nbsp;连&nbsp;而&nbsp;无&nbsp;需&nbsp;附&nbsp;加&nbsp;器&nbsp;件。&nbsp;<br><br>&nbsp;&nbsp;<br>&nbsp;&nbsp;----&nbsp;因&nbsp;此，&nbsp;采&nbsp;用&nbsp;多&nbsp;片ADSP2106x&nbsp;可&nbsp;方&nbsp;便&nbsp;地&nbsp;构&nbsp;成&nbsp;多&nbsp;片&nbsp;并&nbsp;行&nbsp;的&nbsp;<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;处&nbsp;理&nbsp;系&nbsp;统，&nbsp;包&nbsp;括&nbsp;共&nbsp;享&nbsp;存&nbsp;储&nbsp;器&nbsp;并&nbsp;行&nbsp;处&nbsp;理&nbsp;系&nbsp;统、&nbsp;数&nbsp;据&nbsp;流&nbsp;并&nbsp;<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;行&nbsp;处&nbsp;理&nbsp;系&nbsp;统、&nbsp;集&nbsp;束&nbsp;并&nbsp;行&nbsp;处&nbsp;理&nbsp;系&nbsp;统、&nbsp;单&nbsp;指&nbsp;令&nbsp;多&nbsp;数&nbsp;据&nbsp;流（SIMD）<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;并&nbsp;行&nbsp;处&nbsp;理&nbsp;系&nbsp;统&nbsp;等&nbsp;等。&nbsp;<br><br>&nbsp;&nbsp;<br>&nbsp;&nbsp;----&nbsp;这&nbsp;里，ADSP2106x&nbsp;并&nbsp;行&nbsp;处&nbsp;理&nbsp;的&nbsp;典&nbsp;型&nbsp;应&nbsp;用&nbsp;是AD14060，&nbsp;它&nbsp;是<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;把4&nbsp;片ADSP2106x&nbsp;以&nbsp;集&nbsp;束&nbsp;多&nbsp;处&nbsp;理&nbsp;模&nbsp;式、&nbsp;采&nbsp;用MCM&nbsp;工&nbsp;艺&nbsp;集&nbsp;成&nbsp;于<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;一&nbsp;个&nbsp;芯&nbsp;片&nbsp;模&nbsp;块&nbsp;之&nbsp;中，&nbsp;因&nbsp;此&nbsp;这&nbsp;种&nbsp;芯&nbsp;片&nbsp;模&nbsp;块&nbsp;的&nbsp;处&nbsp;理&nbsp;能&nbsp;力&nbsp;是<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;单&nbsp;片ADSP210&nbsp;6x&nbsp;的4&nbsp;倍，&nbsp;即&nbsp;峰&nbsp;值&nbsp;处&nbsp;理&nbsp;能&nbsp;力480MFLOPs、&nbsp;持&nbsp;续&nbsp;处&nbsp;<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;理&nbsp;能&nbsp;力320MFLOPs。&nbsp;<br>--<br>-----------------------------------------------<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;因一个词的力量<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;我重新开始生活<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;我生来就认识你<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;要把你称作<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;自由<br><br>※&nbsp;来源:·饮水思源站&nbsp;bbs.sjtu.edu.cn·[FROM:&nbsp;202.120.8.3]<br></tr></table><br><caption 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