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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;集&nbsp;成&nbsp;电&nbsp;路&nbsp;芯&nbsp;片(八)<br>发信站:&nbsp;饮水思源站&nbsp;(Mon&nbsp;Jun&nbsp;&nbsp;7&nbsp;18:07:38&nbsp;1999)&nbsp;,&nbsp;站内信件<br>----&nbsp;美&nbsp;国&nbsp;国&nbsp;家&nbsp;半&nbsp;导&nbsp;体&nbsp;公&nbsp;司&nbsp;推&nbsp;出32K&nbsp;EPROM&nbsp;的&nbsp;一&nbsp;次&nbsp;编&nbsp;程&nbsp;型8&nbsp;位&nbsp;<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;微&nbsp;控&nbsp;制&nbsp;器&nbsp;<br><br>&nbsp;&nbsp;<br>&nbsp;&nbsp;----&nbsp;美&nbsp;国&nbsp;国&nbsp;家&nbsp;半&nbsp;导&nbsp;体&nbsp;公&nbsp;司&nbsp;推&nbsp;出&nbsp;内&nbsp;置32K&nbsp;EPROM&nbsp;的&nbsp;单&nbsp;芯&nbsp;片&nbsp;一&nbsp;<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;次&nbsp;编&nbsp;程&nbsp;型8&nbsp;位&nbsp;微&nbsp;控&nbsp;制&nbsp;器COP&nbsp;8SGR7，&nbsp;同&nbsp;时&nbsp;还&nbsp;推&nbsp;出&nbsp;内&nbsp;置8K&nbsp;EPROM&nbsp;<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;的8&nbsp;位&nbsp;微&nbsp;控&nbsp;制&nbsp;器COP8SGE&nbsp;7。&nbsp;<br><br>&nbsp;&nbsp;<br>&nbsp;&nbsp;----&nbsp;这&nbsp;两&nbsp;款&nbsp;芯&nbsp;片&nbsp;均&nbsp;设&nbsp;有&nbsp;全&nbsp;双&nbsp;工&nbsp;及&nbsp;可&nbsp;编&nbsp;程&nbsp;控&nbsp;制&nbsp;的&nbsp;通&nbsp;用&nbsp;异&nbsp;<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;步&nbsp;收&nbsp;发&nbsp;器（UART）/&nbsp;通&nbsp;用&nbsp;同&nbsp;步&nbsp;收&nbsp;发&nbsp;器（USART），&nbsp;两&nbsp;个&nbsp;内&nbsp;置&nbsp;的&nbsp;<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;模&nbsp;拟&nbsp;比&nbsp;较&nbsp;器，&nbsp;板&nbsp;上RAM&nbsp;的&nbsp;存&nbsp;储&nbsp;量&nbsp;达512&nbsp;字&nbsp;节。&nbsp;两&nbsp;款&nbsp;芯&nbsp;片&nbsp;均&nbsp;<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;可&nbsp;在2.7&nbsp;伏&nbsp;至5.5&nbsp;伏&nbsp;之&nbsp;间&nbsp;的&nbsp;电&nbsp;压&nbsp;范&nbsp;围&nbsp;内&nbsp;运&nbsp;作，&nbsp;而&nbsp;且&nbsp;采&nbsp;用&nbsp;多&nbsp;<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;种&nbsp;不&nbsp;同&nbsp;封&nbsp;装。&nbsp;<br><br>&nbsp;&nbsp;<br>&nbsp;&nbsp;----&nbsp;此&nbsp;外，&nbsp;这&nbsp;两&nbsp;款&nbsp;芯&nbsp;片&nbsp;设&nbsp;有&nbsp;代&nbsp;码&nbsp;的&nbsp;保&nbsp;密&nbsp;功&nbsp;能、&nbsp;多&nbsp;种&nbsp;降&nbsp;低<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;功&nbsp;耗&nbsp;的&nbsp;功&nbsp;能。&nbsp;一&nbsp;系&nbsp;列&nbsp;软&nbsp;件&nbsp;开&nbsp;发&nbsp;工&nbsp;具&nbsp;可&nbsp;供&nbsp;使&nbsp;用。&nbsp;<br><br>&nbsp;&nbsp;<br>&nbsp;&nbsp;----32K&nbsp;COP8SGR7&nbsp;芯&nbsp;片&nbsp;在&nbsp;批&nbsp;量1，000&nbsp;片&nbsp;时&nbsp;售&nbsp;价&nbsp;在3.55&nbsp;美&nbsp;元&nbsp;至4.89<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;美&nbsp;元&nbsp;之&nbsp;间，8K&nbsp;COP8SGE7&nbsp;在&nbsp;批&nbsp;量1，000&nbsp;片&nbsp;时&nbsp;售&nbsp;价&nbsp;在2.99&nbsp;美&nbsp;元&nbsp;至<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;4.29&nbsp;美&nbsp;元&nbsp;之&nbsp;间。&nbsp;<br><br>&nbsp;&nbsp;<br>&nbsp;&nbsp;----National&nbsp;Semiconductor&nbsp;公&nbsp;司&nbsp;<br><br>&nbsp;&nbsp;<br>&nbsp;&nbsp;----&nbsp;电&nbsp;话：&nbsp;香&nbsp;港&nbsp;852-27371653&nbsp;<br><br>&nbsp;&nbsp;<br>&nbsp;&nbsp;----&nbsp;北&nbsp;京&nbsp;010-68042453&nbsp;<br><br>&nbsp;&nbsp;<br>&nbsp;&nbsp;----dorothy.chen@nsc.com&nbsp;<br><br>&nbsp;&nbsp;<br>&nbsp;&nbsp;----http://www.national.com&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-7.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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