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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;xozhao&nbsp;(XO),&nbsp;信区:&nbsp;DSP<br>标&nbsp;&nbsp;题:&nbsp;谈谈其他DSP(3)AT&amp;T&nbsp;(Lucent)<br>发信站:&nbsp;饮水思源站&nbsp;(Sat&nbsp;Jun&nbsp;19&nbsp;13:07:12&nbsp;1999)&nbsp;,&nbsp;转信<br>AT&amp;T:<br><br>DSP&nbsp;16&nbsp;FAMILY:&nbsp;<br>DSP16A&nbsp;:&nbsp;fixed&nbsp;point<br>&nbsp;----&nbsp;&nbsp;a&nbsp;25ns&nbsp;cycle&nbsp;time&nbsp;<br>&nbsp;----&nbsp;&nbsp;separate&nbsp;on-chip&nbsp;16-bit&nbsp;program-&nbsp;and&nbsp;data&nbsp;buses<br>&nbsp;----&nbsp;&nbsp;12k&nbsp;x&nbsp;16-bit&nbsp;program&nbsp;ROM&nbsp;<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;a&nbsp;2k&nbsp;x&nbsp;16-bit&nbsp;data-RAM&nbsp;<br><br>DSP&nbsp;32C/3210:<br>DSP32C,&nbsp;&nbsp;32-bit&nbsp;floating&nbsp;point&nbsp;<br>&nbsp;----&nbsp;&nbsp;40-bits&nbsp;accumulator&nbsp;<br>&nbsp;----&nbsp;&nbsp;16/24-bit&nbsp;fixed&nbsp;point.&nbsp;<br>&nbsp;----&nbsp;&nbsp;The&nbsp;32C&nbsp;has&nbsp;<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;three&nbsp;512&nbsp;x&nbsp;32-bit&nbsp;RAM:s<br>&nbsp;----&nbsp;&nbsp;Serial&nbsp;and&nbsp;parallell&nbsp;I/O,&nbsp;timer,DMA-controller.&nbsp;&nbsp;<br>&nbsp;----&nbsp;&nbsp;50&nbsp;and&nbsp;66MHz.<br><br>DSP3210/DSP3207:&nbsp;32-bit&nbsp;floating&nbsp;point&nbsp;<br>&nbsp;----&nbsp;four&nbsp;40-bit&nbsp;floating-point&nbsp;accumulators&nbsp;<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;24&nbsp;general&nbsp;purpose&nbsp;32-bit&nbsp;fixed&nbsp;point&nbsp;registers.&nbsp;&nbsp;<br>&nbsp;----&nbsp;Single&nbsp;32-bit&nbsp;(4G-byte)&nbsp;linear&nbsp;memory&nbsp;space<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Support&nbsp;for&nbsp;byte,&nbsp;16-bit&nbsp;word,&nbsp;and&nbsp;32-bit&nbsp;word&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;accesses.<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Big/little&nbsp;endian&nbsp;interface.<br>&nbsp;----&nbsp;C-like&nbsp;assembly&nbsp;language<br>&nbsp;----&nbsp;Two&nbsp;1k&nbsp;x&nbsp;32-bit&nbsp;RAMs&nbsp;and&nbsp;a&nbsp;256&nbsp;x&nbsp;32-bit&nbsp;boot&nbsp;ROM.&nbsp;&nbsp;<br>&nbsp;----&nbsp;Serial&nbsp;I/O,&nbsp;timer,&nbsp;DMA-controller.&nbsp;&nbsp;<br>&nbsp;----&nbsp;DSP3210&nbsp;&nbsp;55MHz/5V&nbsp;and&nbsp;66MHz/5V.<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;DSP3207&nbsp;&nbsp;55MHz/5V&nbsp;and&nbsp;66MHz/5V&nbsp;and&nbsp;40MHz/3V.<br>--<br>※&nbsp;来源:·饮水思源站&nbsp;bbs.sjtu.edu.cn·[FROM:&nbsp;www-post@bbs]<br></tr></table><br><caption align=bottom><hr><table align=center cellspacing=1 class=foot><tr><td class=foot><a href="a-2.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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