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 <title><![CDATA[com2,3是TTL电平，能直接和单片机的COM口 ..]]></title>
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 <description><![CDATA[Latest 20 replies of com2,3是TTL电平，能直接和单片机的COM口 ..]]></description>
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 <description><![CDATA[CPU是TTL吗？]]></description>
 <link><![CDATA[http://121.40.142.80/read.php?tid=5884#26594]]></link>
 <author><![CDATA[soyo]]></author>
 <category><![CDATA[Linux技术交流区]]></category>
 <pubdate><![CDATA[Tue, 27 Apr 2010 00:55:35 +0000]]></pubdate>
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 <description><![CDATA[TTL接TTL，RS232接RS232，不要搞错了
直接接单片机的话，你得看清楚管脚的说明，如果不相同的话，必须经过电平转换才行]]></description>
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 <category><![CDATA[Linux技术交流区]]></category>
 <pubdate><![CDATA[Mon, 26 Apr 2010 02:08:33 +0000]]></pubdate>
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