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 <title><![CDATA[用C语言编写电动机的正反转]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1407488.html]]></link>
 <description><![CDATA[Latest 50 replies of 用C语言编写电动机的正反转]]></description>
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 <title><![CDATA[工控人家园]]></title>
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 <description><![CDATA[工控人家园]]></description>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[学习学习]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1407488#1362139.html]]></link>
 <author><![CDATA[huxingtiandi]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 20 Oct 2012 11:45:10 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[知道。谢谢。。。。。。。。。。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1407488#1361125.html]]></link>
 <author><![CDATA[余章健]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 18 Oct 2012 14:56:02 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[这个程式只能用来教学，不适合用在应用中。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1407488#1361010.html]]></link>
 <author><![CDATA[killking998]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 18 Oct 2012 12:24:28 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[这是单片机的89C51语言的编写吗？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1407488#1360988.html]]></link>
 <author><![CDATA[余章健]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 18 Oct 2012 11:52:02 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[#include &lt;reg52.h&gt;
sbit s2=P3^4;//停止 
sbit s4=P3^6;//正 
sbit s5=P3^7;//反 
sbit km1=P1^3;
sbit km2=P1^5;
void delay();
void main()
{&nbsp;&nbsp;
km1=1;
km2=1;
while(1){
if (s2==0) 
{ 
delay();
if(s2==0)
{
km1=1; 
km2=1; 
} }

if (s4==0) 
{
delay();
if(s4==0)
{
km1=0;
km2=1;
}}
if (s5==0)
 ..]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1407488#1360577.html]]></link>
 <author><![CDATA[1712131502]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 18 Oct 2012 00:55:14 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[这是单片机的汇编语言，不过还是很赞的。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1407488#1360531.html]]></link>
 <author><![CDATA[lzmtxp99]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 17 Oct 2012 15:19:54 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[这是汇编吧 [s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1407488#1360368.html]]></link>
 <author><![CDATA[子丑寅卯9]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 17 Oct 2012 12:05:35 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[头大，一个正反转就这么长啊。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1407488#1360106.html]]></link>
 <author><![CDATA[xcw]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 17 Oct 2012 06:27:58 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;ORG&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;00H
START:
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;MOV&nbsp;&nbsp; DPTR,#TAB1
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;MOV&nbsp;&nbsp; R0,#3
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;MOV&nbsp;&nbsp; R4,#0
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nb ..]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1407488#1360061.html]]></link>
 <author><![CDATA[lilin0734]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 17 Oct 2012 05:33:10 +0000]]></pubdate>
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