cache6.htm

来自「ST20 Embedded Toolset R2.0.5用于开发基于ST20芯片」· HTM 代码 · 共 82 行

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<meta name="GENERATOR" content="Quadralay WebWorks Publisher Professional Edition 6.0.5">
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<meta name="LASTUPDATED" content="12/01/03 14:15:36">
<title>12.5 Locking the cache configuration</title>

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-->
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<blockquote>
<h2>
  <a name="1204478"> </a><font color="#003366"  face="Verdana, Arial, Helvetica, sans-serif">12.5 	 Locking the cache configuration</font>
</h2><hr>


<p>
  <a name="1204479"> </a><font size=2  face="Verdana, Arial, Helvetica, sans-serif">The cache can be locked using the following function:</font>
</p>


<a name="1204481"> </a><font size=2 face=Courier><strong>int cache_lock();<br></strong></font>



<p>
  <a name="1204482"> </a><font size=2  face="Verdana, Arial, Helvetica, sans-serif">It is recommended that all cache configuration is performed at boot time and then never modified. To prevent accidental modification, ST20 devices can lock the cache configuration, preventing it from being changed until the hardware is reset.</font>
</p>
</blockquote>

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<font size=1 face="Verdana, Arial, Helvetica, sans-serif">&nbsp; &copy; 2001, 2002, 2003 STMicroelectronics. All Rights Reserved.<br>
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