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<title>12.2.1 Pragma ST_device  </title>

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  <a name="1204502"> </a><font color="#003366"  face="Verdana, Arial, Helvetica, sans-serif">12.2.1 	 Pragma ST_device</font>
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  <a name="1204503"> </a><font size=2  face="Verdana, Arial, Helvetica, sans-serif">This pragma marks a variable (which can be a pointer) which is accessible via the device instructions available on the ST20C2 processor. The variable may be a <font size=2 face=Courier><strong>float</strong></font>, <font size=2 face=Courier><strong>char</strong></font>, <font size=2 face=Courier><strong>int</strong></font>, <font size=2 face=Courier><strong>short</strong></font> or <font size=2 face=Courier><strong>long</strong></font>; it may also be a <font size=2 face=Courier><strong>typedef</strong></font>, <font size=2 face=Courier><strong>struct</strong></font> or <font size=2 face=Courier><strong>union</strong></font>. It may not be a <font size=2 face=Courier><strong>double</strong></font> or contain a <font size=2 face=Courier><strong>double</strong></font>.</font>
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  <a name="1204504"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif"><em>Note:	 Device memory accesses behave differently to normal accesses, and it is important to use the right one, especially when accessing peripherals or using a cache. See <a href="impdet24.htm#1205227"><font  color="#0000ff" face="Verdana, Arial, Helvetica, sans-serif"><i>Section

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