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📁 上海交通大学DSP学习的经典教程 文档为HTML格式,循序渐进,方便学习 本人从中收益菲浅,拿来共享
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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(二)&nbsp;<br>发信站:&nbsp;饮水思源站&nbsp;(Mon&nbsp;Jun&nbsp;&nbsp;7&nbsp;18:17:08&nbsp;1999)&nbsp;,&nbsp;站内信件<br>----(2)TMS320C6x：&nbsp;片&nbsp;内&nbsp;并&nbsp;行，VLIW&nbsp;体&nbsp;系&nbsp;结&nbsp;构：&nbsp;<br><br>&nbsp;&nbsp;<br>&nbsp;&nbsp;----TMS320C6x&nbsp;是90&nbsp;年&nbsp;代&nbsp;中&nbsp;后&nbsp;期&nbsp;美&nbsp;国TI&nbsp;公&nbsp;司&nbsp;推&nbsp;出&nbsp;的&nbsp;划&nbsp;时&nbsp;代&nbsp;的<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;超&nbsp;级DSP&nbsp;芯&nbsp;片；&nbsp;这&nbsp;种&nbsp;芯&nbsp;片&nbsp;是&nbsp;定&nbsp;点、&nbsp;浮&nbsp;点&nbsp;兼&nbsp;容&nbsp;的DSP&nbsp;系&nbsp;列，&nbsp;其<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;中&nbsp;首&nbsp;先&nbsp;推&nbsp;出&nbsp;的&nbsp;是&nbsp;定&nbsp;点&nbsp;系&nbsp;列TMS320C62x。&nbsp;<br><br>&nbsp;&nbsp;<br>&nbsp;&nbsp;----TMS320C62x&nbsp;片&nbsp;内&nbsp;有8&nbsp;个&nbsp;并&nbsp;行&nbsp;的&nbsp;处&nbsp;理&nbsp;单&nbsp;元，&nbsp;分&nbsp;为&nbsp;相&nbsp;同&nbsp;的&nbsp;两&nbsp;<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;组。DSP&nbsp;的&nbsp;体&nbsp;系&nbsp;结&nbsp;构&nbsp;采&nbsp;用&nbsp;甚&nbsp;长&nbsp;指&nbsp;令&nbsp;字（VLIW）&nbsp;方&nbsp;式，&nbsp;单&nbsp;指&nbsp;令&nbsp;<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;字&nbsp;长&nbsp;为32bits，8&nbsp;个&nbsp;指&nbsp;令&nbsp;组&nbsp;成&nbsp;一&nbsp;个&nbsp;指&nbsp;令&nbsp;包，&nbsp;总&nbsp;字&nbsp;长&nbsp;为8&nbsp;×32bits<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;=2&nbsp;56bits。&nbsp;芯&nbsp;片&nbsp;内&nbsp;部&nbsp;设&nbsp;置&nbsp;了&nbsp;专&nbsp;门&nbsp;的&nbsp;指&nbsp;令&nbsp;分&nbsp;配&nbsp;模&nbsp;块，&nbsp;可&nbsp;以&nbsp;将<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;每&nbsp;个256bits&nbsp;的&nbsp;指&nbsp;令&nbsp;包&nbsp;同&nbsp;时&nbsp;分&nbsp;配&nbsp;到8&nbsp;个&nbsp;处&nbsp;理&nbsp;单&nbsp;元，&nbsp;并&nbsp;由8&nbsp;个&nbsp;<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;单&nbsp;元&nbsp;同&nbsp;时&nbsp;运&nbsp;行。&nbsp;这&nbsp;种&nbsp;芯&nbsp;片&nbsp;的&nbsp;最&nbsp;高&nbsp;时&nbsp;钟&nbsp;频&nbsp;率&nbsp;可&nbsp;以&nbsp;达&nbsp;到200MHz<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;，&nbsp;这&nbsp;是&nbsp;通&nbsp;过&nbsp;片&nbsp;内&nbsp;的&nbsp;锁&nbsp;相&nbsp;环&nbsp;路（PLL）&nbsp;将50MHz&nbsp;的&nbsp;输&nbsp;入&nbsp;时&nbsp;钟4&nbsp;倍<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;频&nbsp;获&nbsp;得&nbsp;的，&nbsp;因&nbsp;此&nbsp;这&nbsp;种&nbsp;芯&nbsp;片&nbsp;的&nbsp;指&nbsp;令&nbsp;周&nbsp;期&nbsp;为5ns。&nbsp;当&nbsp;芯&nbsp;片&nbsp;内<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;部8&nbsp;个&nbsp;处&nbsp;理&nbsp;单&nbsp;元&nbsp;同&nbsp;时&nbsp;运&nbsp;行&nbsp;时，&nbsp;其&nbsp;最&nbsp;大&nbsp;处&nbsp;理&nbsp;能&nbsp;力&nbsp;可&nbsp;以&nbsp;达&nbsp;到<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;1600MIPs，&nbsp;即16&nbsp;亿&nbsp;次&nbsp;定&nbsp;点&nbsp;运&nbsp;算/&nbsp;秒。(&nbsp;图6)&nbsp;<br><br>&nbsp;&nbsp;<br>&nbsp;&nbsp;----&nbsp;从&nbsp;并&nbsp;行&nbsp;处&nbsp;理&nbsp;的&nbsp;角&nbsp;度&nbsp;分&nbsp;析，TMS320C62x&nbsp;的&nbsp;主&nbsp;要&nbsp;特&nbsp;点&nbsp;是&nbsp;采<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;用&nbsp;了VLIW&nbsp;的&nbsp;体&nbsp;系&nbsp;结&nbsp;构。&nbsp;<br><br>&nbsp;&nbsp;<br>&nbsp;&nbsp;----&nbsp;在VLIW&nbsp;处&nbsp;理&nbsp;机&nbsp;中，&nbsp;多&nbsp;个&nbsp;功&nbsp;能&nbsp;单&nbsp;元&nbsp;是&nbsp;并&nbsp;发&nbsp;工&nbsp;作&nbsp;的；&nbsp;所&nbsp;有&nbsp;<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;的&nbsp;功&nbsp;能&nbsp;单&nbsp;元&nbsp;共&nbsp;享&nbsp;使&nbsp;用&nbsp;公&nbsp;用&nbsp;大&nbsp;型&nbsp;寄&nbsp;存&nbsp;器&nbsp;堆。&nbsp;由&nbsp;功&nbsp;能&nbsp;单&nbsp;元<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;同&nbsp;时&nbsp;执&nbsp;行&nbsp;的&nbsp;各&nbsp;种&nbsp;操&nbsp;作&nbsp;是&nbsp;由VLIW&nbsp;的&nbsp;长&nbsp;指&nbsp;令&nbsp;来&nbsp;同&nbsp;步&nbsp;的，&nbsp;它&nbsp;把<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;长&nbsp;指&nbsp;令&nbsp;中&nbsp;不&nbsp;同&nbsp;字&nbsp;段&nbsp;的&nbsp;操&nbsp;作&nbsp;码&nbsp;分&nbsp;送&nbsp;给&nbsp;不&nbsp;同&nbsp;的&nbsp;功&nbsp;能&nbsp;单&nbsp;元；<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;这&nbsp;种&nbsp;代&nbsp;码&nbsp;压&nbsp;缩&nbsp;是&nbsp;由&nbsp;编&nbsp;译&nbsp;器&nbsp;完&nbsp;成&nbsp;的，&nbsp;编&nbsp;译&nbsp;器&nbsp;可&nbsp;以&nbsp;利&nbsp;用&nbsp;精<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;心&nbsp;设&nbsp;计&nbsp;过&nbsp;的&nbsp;启&nbsp;发&nbsp;式&nbsp;方&nbsp;法&nbsp;或&nbsp;运&nbsp;行&nbsp;时&nbsp;统&nbsp;计&nbsp;方&nbsp;法&nbsp;来&nbsp;预&nbsp;测&nbsp;转&nbsp;<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;移&nbsp;结&nbsp;果。&nbsp;在TMS320C62x&nbsp;中，8&nbsp;个&nbsp;功&nbsp;能&nbsp;单&nbsp;元&nbsp;共&nbsp;享&nbsp;使&nbsp;用32&nbsp;个32bits<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;通&nbsp;用&nbsp;寄&nbsp;存&nbsp;器&nbsp;堆。&nbsp;为&nbsp;保&nbsp;证&nbsp;代&nbsp;码&nbsp;压&nbsp;缩、&nbsp;分&nbsp;配&nbsp;的&nbsp;效&nbsp;率，TI&nbsp;公&nbsp;司<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;还&nbsp;推&nbsp;出&nbsp;了&nbsp;世&nbsp;界&nbsp;上&nbsp;第&nbsp;一&nbsp;个&nbsp;汇&nbsp;编&nbsp;语&nbsp;言&nbsp;级&nbsp;编&nbsp;译&nbsp;器；&nbsp;这&nbsp;个&nbsp;编&nbsp;译<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;器&nbsp;的&nbsp;编&nbsp;译&nbsp;效&nbsp;果&nbsp;会&nbsp;大&nbsp;大&nbsp;影&nbsp;响C62x&nbsp;的&nbsp;运&nbsp;行&nbsp;效&nbsp;率。&nbsp;<br><br>&nbsp;&nbsp;<br>&nbsp;&nbsp;----VLIW&nbsp;处&nbsp;理&nbsp;机&nbsp;的&nbsp;另&nbsp;一&nbsp;个&nbsp;特&nbsp;点&nbsp;是&nbsp;指&nbsp;令&nbsp;获&nbsp;取、&nbsp;指&nbsp;令&nbsp;分&nbsp;配、&nbsp;<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;指&nbsp;令&nbsp;执&nbsp;行、&nbsp;数&nbsp;据&nbsp;存&nbsp;储&nbsp;等&nbsp;阶&nbsp;段&nbsp;需&nbsp;要&nbsp;进&nbsp;行&nbsp;多&nbsp;级&nbsp;流&nbsp;水，&nbsp;而&nbsp;且&nbsp;<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;不&nbsp;同&nbsp;指&nbsp;令&nbsp;执&nbsp;行&nbsp;的&nbsp;流&nbsp;水&nbsp;延&nbsp;迟&nbsp;时&nbsp;间&nbsp;也&nbsp;不&nbsp;相&nbsp;等（&nbsp;图7）；&nbsp;因&nbsp;此&nbsp;<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;各&nbsp;种&nbsp;指&nbsp;令&nbsp;的&nbsp;安&nbsp;排&nbsp;要&nbsp;尽&nbsp;量&nbsp;不&nbsp;破&nbsp;坏&nbsp;指&nbsp;令&nbsp;流&nbsp;水&nbsp;的&nbsp;执&nbsp;行，&nbsp;否&nbsp;则<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;处&nbsp;理&nbsp;机&nbsp;运&nbsp;行&nbsp;的&nbsp;效&nbsp;率&nbsp;也&nbsp;会&nbsp;大&nbsp;大&nbsp;降&nbsp;低。&nbsp;<br>&nbsp;&nbsp;<br>&nbsp;&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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