git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1706 bbd45198-f89e-11dd-88c7-29a3b14d5316
@@ -0,0 +1,2 @@
+Documents here
+http://www.rt-thread.org/dokuwiki/doku.php?id=s3c2440
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