⭐ 欢迎来到虫虫下载站！ | 📦 资源下载 📁 资源专辑 ℹ️ 关于我们
⭐ 虫虫下载站
📤 上传资源

📄 a-8-1.htm

📁 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
💻 HTM
字号:
🔍 
<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(一)&nbsp;<br>发信站:&nbsp;饮水思源站&nbsp;(Mon&nbsp;Jun&nbsp;&nbsp;7&nbsp;18:15:29&nbsp;1999)&nbsp;,&nbsp;站内信件<br>高&nbsp;速&nbsp;实&nbsp;时DSP&nbsp;与&nbsp;并&nbsp;行&nbsp;体&nbsp;系&nbsp;结&nbsp;构&nbsp;<br><br>&nbsp;&nbsp;<br>&nbsp;&nbsp;----&nbsp;当&nbsp;前，&nbsp;高&nbsp;速&nbsp;实&nbsp;时&nbsp;数&nbsp;字&nbsp;信&nbsp;号&nbsp;处&nbsp;理（DSP）&nbsp;技&nbsp;术&nbsp;已&nbsp;经&nbsp;取&nbsp;得&nbsp;了<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;飞&nbsp;速&nbsp;的&nbsp;发&nbsp;展；&nbsp;目&nbsp;前&nbsp;单&nbsp;片DSP&nbsp;芯&nbsp;片&nbsp;的&nbsp;速&nbsp;度&nbsp;已&nbsp;经&nbsp;可&nbsp;以&nbsp;达&nbsp;到&nbsp;每&nbsp;<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;秒16&nbsp;亿&nbsp;次&nbsp;定&nbsp;点&nbsp;运&nbsp;算（1600MIPs）。&nbsp;高&nbsp;速&nbsp;实&nbsp;时DSP&nbsp;芯&nbsp;片&nbsp;的&nbsp;主&nbsp;要&nbsp;特<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;点&nbsp;就&nbsp;是&nbsp;采&nbsp;用&nbsp;了&nbsp;各&nbsp;种&nbsp;并&nbsp;行&nbsp;处&nbsp;理&nbsp;技&nbsp;术，&nbsp;包&nbsp;括&nbsp;片&nbsp;内&nbsp;并&nbsp;行&nbsp;和&nbsp;片&nbsp;间<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;并&nbsp;行&nbsp;等。&nbsp;其&nbsp;中，&nbsp;主&nbsp;要&nbsp;的&nbsp;并&nbsp;行DSP&nbsp;芯&nbsp;片&nbsp;包&nbsp;括&nbsp;美&nbsp;国TI&nbsp;公&nbsp;司&nbsp;的<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;TMS320C8x&nbsp;和TMS320C6x，&nbsp;以&nbsp;及&nbsp;美&nbsp;国AD&nbsp;公&nbsp;司&nbsp;的ADSP2106x&nbsp;及AD1406x&nbsp;<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;等&nbsp;等。&nbsp;<br><br>&nbsp;&nbsp;<br>&nbsp;&nbsp;----(1)TMS320C8x：&nbsp;片&nbsp;内&nbsp;并&nbsp;行，MIMD&nbsp;体&nbsp;系&nbsp;结&nbsp;构&nbsp;<br><br>&nbsp;&nbsp;<br>&nbsp;&nbsp;----&nbsp;在&nbsp;每&nbsp;一&nbsp;片TMS320C80&nbsp;内&nbsp;部，&nbsp;有1&nbsp;个&nbsp;浮&nbsp;点RISC&nbsp;类&nbsp;型DSP，&nbsp;称&nbsp;为&nbsp;主<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;处&nbsp;理&nbsp;器（MP）；&nbsp;还&nbsp;有4&nbsp;个&nbsp;定&nbsp;点DSP，&nbsp;称&nbsp;为&nbsp;并&nbsp;行&nbsp;处&nbsp;理&nbsp;器（PP）。&nbsp;每&nbsp;<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;个DSP&nbsp;配&nbsp;有10K-Bytes&nbsp;片&nbsp;内&nbsp;存&nbsp;储&nbsp;器（RAM），&nbsp;因&nbsp;此&nbsp;片&nbsp;内RAM&nbsp;总&nbsp;容&nbsp;量&nbsp;<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;为50K-Bytes。&nbsp;主&nbsp;处&nbsp;理&nbsp;器、&nbsp;并&nbsp;行&nbsp;处&nbsp;理&nbsp;器&nbsp;和&nbsp;片&nbsp;内RAM&nbsp;之&nbsp;间&nbsp;通&nbsp;过&nbsp;交&nbsp;<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;叉&nbsp;开&nbsp;关（Crossbar）&nbsp;互&nbsp;连，&nbsp;并&nbsp;通&nbsp;过1&nbsp;个&nbsp;专&nbsp;用&nbsp;的&nbsp;传&nbsp;输&nbsp;控&nbsp;制&nbsp;器（TC<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;）&nbsp;控&nbsp;制&nbsp;处&nbsp;理&nbsp;器&nbsp;之&nbsp;间&nbsp;及C80&nbsp;与&nbsp;片&nbsp;外&nbsp;器&nbsp;件&nbsp;之&nbsp;间&nbsp;的&nbsp;互&nbsp;连。&nbsp;在C80&nbsp;内<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;部，&nbsp;还&nbsp;有1&nbsp;个&nbsp;视&nbsp;频&nbsp;控&nbsp;制&nbsp;器（VC），&nbsp;可&nbsp;用&nbsp;于&nbsp;视&nbsp;频&nbsp;接&nbsp;口、&nbsp;时&nbsp;序&nbsp;的<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;控&nbsp;制；&nbsp;因&nbsp;此&nbsp;这&nbsp;种&nbsp;芯&nbsp;片&nbsp;特&nbsp;别&nbsp;适&nbsp;用&nbsp;于&nbsp;视&nbsp;频&nbsp;信&nbsp;号&nbsp;的&nbsp;处&nbsp;理，&nbsp;故&nbsp;称<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;MVP&nbsp;芯&nbsp;片。<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，TMS320C8x&nbsp;是&nbsp;一&nbsp;个&nbsp;紧&nbsp;耦&nbsp;合&nbsp;多&nbsp;指<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;令&nbsp;多&nbsp;数&nbsp;据&nbsp;流（MIMD）&nbsp;的&nbsp;单&nbsp;片&nbsp;多&nbsp;处&nbsp;理&nbsp;器&nbsp;系&nbsp;统。&nbsp;这&nbsp;一&nbsp;系&nbsp;统&nbsp;的&nbsp;运<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;行&nbsp;速&nbsp;度&nbsp;等&nbsp;效&nbsp;于&nbsp;每&nbsp;秒20&nbsp;亿&nbsp;次RISC&nbsp;类&nbsp;型&nbsp;的&nbsp;操&nbsp;作。&nbsp;在&nbsp;这&nbsp;个&nbsp;系&nbsp;统&nbsp;<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;中，&nbsp;一&nbsp;个&nbsp;显&nbsp;著&nbsp;的&nbsp;特&nbsp;点&nbsp;是&nbsp;采&nbsp;用&nbsp;交&nbsp;叉&nbsp;开&nbsp;关（Crossbar）&nbsp;代&nbsp;替&nbsp;了&nbsp;传<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;统&nbsp;的&nbsp;总&nbsp;线&nbsp;互&nbsp;连。&nbsp;<br><br>&nbsp;&nbsp;<br>&nbsp;&nbsp;----&nbsp;在&nbsp;总&nbsp;线&nbsp;互&nbsp;连&nbsp;的&nbsp;系&nbsp;统&nbsp;中，&nbsp;各&nbsp;个DSP&nbsp;之&nbsp;间&nbsp;需&nbsp;要&nbsp;申&nbsp;请&nbsp;总&nbsp;线，&nbsp;<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;并&nbsp;需&nbsp;要&nbsp;总&nbsp;线&nbsp;仲&nbsp;裁&nbsp;机&nbsp;构&nbsp;分&nbsp;配&nbsp;总&nbsp;线。&nbsp;对&nbsp;于&nbsp;单&nbsp;总&nbsp;线&nbsp;系&nbsp;统，&nbsp;如&nbsp;果<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;某&nbsp;一DSP&nbsp;占&nbsp;用&nbsp;总&nbsp;线，&nbsp;则&nbsp;其&nbsp;它DSP&nbsp;需&nbsp;等&nbsp;到&nbsp;该DSP&nbsp;释&nbsp;放&nbsp;总&nbsp;线&nbsp;后&nbsp;才&nbsp;<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;可&nbsp;能&nbsp;获&nbsp;得&nbsp;总&nbsp;线&nbsp;的&nbsp;使&nbsp;用&nbsp;权，&nbsp;这&nbsp;就&nbsp;限&nbsp;制&nbsp;了&nbsp;总&nbsp;线&nbsp;传&nbsp;输&nbsp;数&nbsp;据&nbsp;的&nbsp;<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;速&nbsp;度。&nbsp;而&nbsp;交&nbsp;叉&nbsp;开&nbsp;关&nbsp;结&nbsp;构&nbsp;则&nbsp;可&nbsp;以&nbsp;在&nbsp;同&nbsp;一&nbsp;时&nbsp;刻&nbsp;将&nbsp;不&nbsp;同&nbsp;的&nbsp;DSP<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;与&nbsp;不&nbsp;同&nbsp;的&nbsp;任&nbsp;一&nbsp;存&nbsp;储&nbsp;器&nbsp;连&nbsp;通，&nbsp;这&nbsp;就&nbsp;大&nbsp;大&nbsp;提&nbsp;高&nbsp;了&nbsp;数&nbsp;据&nbsp;传&nbsp;输<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;的&nbsp;速&nbsp;率，&nbsp;使&nbsp;多&nbsp;处&nbsp;理&nbsp;器&nbsp;并&nbsp;行&nbsp;处&nbsp;理&nbsp;中&nbsp;数&nbsp;据&nbsp;传&nbsp;输&nbsp;的&nbsp;瓶&nbsp;颈&nbsp;问&nbsp;题&nbsp;<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;得&nbsp;以&nbsp;减&nbsp;轻。&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 align=bottom><hr><table align=center cellspacing=1 class=foot><tr><td class=foot><a href="a-8.htm">返回</tr></table><p class=copyr align=center>Copyright &copy; 2001 <a class=copyr href="http://bbs.sjtu.edu.cn">SJTUBBS</a>, All Rights Reserved.<br><br>版权所有<a class=copyr href="telnet://bbs.sjtu.edu.cn">上海交大BBS饮水思源站</a></caption></body></html>

⌨️ 快捷键说明

复制代码 Ctrl + C
搜索代码 Ctrl + F
全屏模式 F11
切换主题 Ctrl + Shift + D
显示快捷键 ?
增大字号 Ctrl + =
减小字号 Ctrl + -