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 <title><![CDATA[6410 GPIO输出5V]]></title>
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 <description><![CDATA[Latest 20 replies of 6410 GPIO输出5V]]></description>
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 <description><![CDATA[2440的逻辑电平是3.3V,所以驱动不了一些CMOS电路的芯片。加一个上拉电阻，电压就到5V ，所以可以驱动了。否则电压不够。
[url]http://topic.csdn.net/u/20100105/23/bde12918-e346-4ac1-bcde-ae8b54c78606.html[/url]]]></description>
 <link><![CDATA[http://121.40.142.80/read.php?tid=19896#169199]]></link>
 <author><![CDATA[no_19]]></author>
 <category><![CDATA[Linux技术交流区]]></category>
 <pubdate><![CDATA[Sun, 22 Apr 2012 07:38:38 +0000]]></pubdate>
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