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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;如&nbsp;何&nbsp;选&nbsp;择&nbsp;嵌&nbsp;入&nbsp;式&nbsp;微&nbsp;处&nbsp;理&nbsp;器&nbsp;(三)<br>发信站:&nbsp;饮水思源站&nbsp;(Sat&nbsp;Jun&nbsp;&nbsp;5&nbsp;10:44:01&nbsp;1999)&nbsp;,&nbsp;站内信件<br>选&nbsp;择&nbsp;高&nbsp;性&nbsp;能&nbsp;的&nbsp;处&nbsp;理&nbsp;器&nbsp;<br><br>----&nbsp;如&nbsp;果&nbsp;你&nbsp;的&nbsp;设&nbsp;计&nbsp;是&nbsp;面&nbsp;向&nbsp;高&nbsp;性&nbsp;能&nbsp;的&nbsp;应&nbsp;用，&nbsp;那&nbsp;么&nbsp;建&nbsp;议&nbsp;你&nbsp;考<br>&nbsp;虑&nbsp;某&nbsp;些&nbsp;新&nbsp;的&nbsp;处&nbsp;理&nbsp;器，&nbsp;其&nbsp;价&nbsp;格&nbsp;极&nbsp;为&nbsp;低&nbsp;廉，&nbsp;如IBM&nbsp;和Motorola&nbsp;的<br>Power&nbsp;PC。&nbsp;以&nbsp;前Intel&nbsp;的&nbsp;i960&nbsp;是&nbsp;销&nbsp;售&nbsp;极&nbsp;好&nbsp;的RISC&nbsp;高&nbsp;性&nbsp;能&nbsp;芯&nbsp;片，&nbsp;<br>但&nbsp;是&nbsp;最&nbsp;近&nbsp;几&nbsp;年&nbsp;却&nbsp;遇&nbsp;到&nbsp;强&nbsp;劲&nbsp;的&nbsp;对&nbsp;手，&nbsp;让&nbsp;位&nbsp;于MIPS、SH&nbsp;以&nbsp;及&nbsp;后<br>&nbsp;起&nbsp;之&nbsp;星ARM。&nbsp;<br><br>----&nbsp;另&nbsp;一&nbsp;种&nbsp;趋&nbsp;势&nbsp;就&nbsp;是&nbsp;越&nbsp;来&nbsp;越&nbsp;多&nbsp;的&nbsp;人&nbsp;在&nbsp;磁&nbsp;盘&nbsp;控&nbsp;制&nbsp;器、&nbsp;数&nbsp;码<br>&nbsp;相&nbsp;机、&nbsp;手&nbsp;持&nbsp;电&nbsp;话、&nbsp;调&nbsp;制&nbsp;解&nbsp;调&nbsp;器&nbsp;等&nbsp;方&nbsp;面&nbsp;使&nbsp;用DSP。&nbsp;采&nbsp;用DSP&nbsp;的<br>&nbsp;好&nbsp;处&nbsp;是&nbsp;可&nbsp;以&nbsp;大&nbsp;大&nbsp;减&nbsp;少&nbsp;系&nbsp;统&nbsp;内CPU&nbsp;的&nbsp;数&nbsp;目，&nbsp;提&nbsp;高&nbsp;效&nbsp;率，&nbsp;并&nbsp;<br>使&nbsp;编&nbsp;程&nbsp;简&nbsp;单，&nbsp;但&nbsp;是&nbsp;毕&nbsp;竟DSP&nbsp;不&nbsp;能&nbsp;完&nbsp;全&nbsp;替&nbsp;代CPU&nbsp;的&nbsp;功&nbsp;能。&nbsp;目&nbsp;前<br>&nbsp;已&nbsp;经&nbsp;有&nbsp;公&nbsp;司&nbsp;宣&nbsp;布&nbsp;推&nbsp;出&nbsp;复&nbsp;合&nbsp;型&nbsp;的&nbsp;微&nbsp;处&nbsp;理&nbsp;器，&nbsp;如Motorola&nbsp;<br>的M.Core(&nbsp;一&nbsp;种&nbsp;新&nbsp;一&nbsp;代&nbsp;的16/32&nbsp;位&nbsp;微&nbsp;处&nbsp;理&nbsp;器)，&nbsp;它&nbsp;将&nbsp;跨&nbsp;越CPU&nbsp;<br>与DSP。&nbsp;据&nbsp;悉，TI、Siemens&nbsp;也&nbsp;在&nbsp;开&nbsp;发&nbsp;相&nbsp;似&nbsp;的&nbsp;产&nbsp;品。&nbsp;<br><br>----&nbsp;Intel&nbsp;Pentium&nbsp;无&nbsp;疑&nbsp;是&nbsp;一&nbsp;种&nbsp;高&nbsp;性&nbsp;能&nbsp;处&nbsp;理&nbsp;器，&nbsp;但&nbsp;由&nbsp;于&nbsp;其&nbsp;体<br>&nbsp;积&nbsp;大、&nbsp;散&nbsp;热&nbsp;差&nbsp;等&nbsp;原&nbsp;因，&nbsp;除&nbsp;客&nbsp;户&nbsp;使&nbsp;用OEM&nbsp;板&nbsp;外，&nbsp;在&nbsp;用&nbsp;户&nbsp;自&nbsp;己<br>&nbsp;设&nbsp;计&nbsp;的&nbsp;系&nbsp;统&nbsp;中&nbsp;则&nbsp;较&nbsp;少&nbsp;使&nbsp;用。<br><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;202.120.8.11]<br></tr></table><br><caption align=bottom><hr><table align=center cellspacing=1 class=foot><tr><td class=foot><a href="a-3.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>
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