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<a href="#define-members">Macros</a> &#124;
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<div class="title">system_LPC17xx.c File Reference</div> </div>
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<p>CMSIS Device System Source File for NXP LPC17xx Device Series.
<a href="#details">More...</a></p>
<div class="textblock"><code>#include &lt;stdint.h&gt;</code><br />
<code>#include &quot;LPC17xx.h&quot;</code><br />
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Include dependency graph for system_LPC17xx.c:</div>
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Macros</h2></td></tr>
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<tr class="memitem:a3cad0f9b3c40159bd2fbd7f5e60f2fff"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="system___l_p_c17xx_8c.html#a3cad0f9b3c40159bd2fbd7f5e60f2fff">XTAL</a>&#160;&#160;&#160;(12000000UL) /* Oscillator frequency */</td></tr>
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<tr class="memitem:a1f52a4afe1c11be1226f3acece869e27"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="system___l_p_c17xx_8c.html#a1f52a4afe1c11be1226f3acece869e27">__M</a>&#160;&#160;&#160;(((<a class="el" href="system___l_p_c17xx_8c.html#a600ee717e584c9795c063dc4c35f0dc3">PLL0CFG_Val</a> ) &amp; 0x7FFF) + 1)</td></tr>
<tr class="separator:a1f52a4afe1c11be1226f3acece869e27"><td class="memSeparator" colspan="2">&#160;</td></tr>
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<tr class="memitem:a867e3bcb08aca9d5d486b404a6360d48"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="system___l_p_c17xx_8c.html#a867e3bcb08aca9d5d486b404a6360d48">__CCLK_DIV</a>&#160;&#160;&#160;(((<a class="el" href="system___l_p_c17xx_8c.html#a464e2b89239c8a935c52cf8721fd3d6b">CCLKCFG_Val</a> ) &amp; 0x00FF) + 1)</td></tr>
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<tr class="separator:ab40b7b139fc425dbd3f7adece2e14478"><td class="memSeparator" colspan="2">&#160;</td></tr>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:ae0c36a9591fe6e9c45ecb21a794f0f0f"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="system___l_p_c17xx_8c.html#ae0c36a9591fe6e9c45ecb21a794f0f0f">SystemCoreClockUpdate</a> (void)</td></tr>
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<tr class="memitem:a93f514700ccf00d08dbdcff7f1224eb2"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="system___l_p_c17xx_8c.html#a93f514700ccf00d08dbdcff7f1224eb2">SystemInit</a> (void)</td></tr>
<tr class="separator:a93f514700ccf00d08dbdcff7f1224eb2"><td class="memSeparator" colspan="2">&#160;</td></tr>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="var-members"></a>
Variables</h2></td></tr>
<tr class="memitem:aa3cd3e43291e81e795d642b79b6088e6"><td class="memItemLeft" align="right" valign="top">uint32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="system___l_p_c17xx_8c.html#aa3cd3e43291e81e795d642b79b6088e6">SystemCoreClock</a> = <a class="el" href="system___l_p_c17xx_8c.html#ab40b7b139fc425dbd3f7adece2e14478">__CORE_CLK</a></td></tr>
<tr class="separator:aa3cd3e43291e81e795d642b79b6088e6"><td class="memSeparator" colspan="2">&#160;</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>CMSIS Device System Source File for NXP LPC17xx Device Series. </p>
<dl class="section version"><dt>Version</dt><dd>V1.14 </dd></dl>
<dl class="section date"><dt>Date</dt><dd>05. April 2016 </dd></dl>
</div><h2 class="groupheader">Macro Definition Documentation</h2>
<a id="a867e3bcb08aca9d5d486b404a6360d48"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a867e3bcb08aca9d5d486b404a6360d48">&#9670;&nbsp;</a></span>__CCLK_DIV</h2>
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<td class="memname">#define __CCLK_DIV&#160;&#160;&#160;(((<a class="el" href="system___l_p_c17xx_8c.html#a464e2b89239c8a935c52cf8721fd3d6b">CCLKCFG_Val</a> ) &amp; 0x00FF) + 1)</td>
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</div>
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<a id="ab40b7b139fc425dbd3f7adece2e14478"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ab40b7b139fc425dbd3f7adece2e14478">&#9670;&nbsp;</a></span>__CORE_CLK</h2>
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<td class="memname">#define __CORE_CLK&#160;&#160;&#160;(<a class="el" href="system___l_p_c17xx_8c.html#a131aeb1747fc0ab534722df8885285f8">__FCCO</a>(<a class="el" href="system___l_p_c17xx_8c.html#a4dd4b4d2e3d60ee802944cb301aed687">OSC_CLK</a>) / <a class="el" href="system___l_p_c17xx_8c.html#a867e3bcb08aca9d5d486b404a6360d48">__CCLK_DIV</a>)</td>
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<h2 class="memtitle"><span class="permalink"><a href="#a131aeb1747fc0ab534722df8885285f8">&#9670;&nbsp;</a></span>__FCCO</h2>
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<td class="memname">#define __FCCO</td>
<td>(</td>
<td class="paramtype">&#160;</td>
<td class="paramname">__F_IN</td><td>)</td>
<td>&#160;&#160;&#160;((2ULL * <a class="el" href="system___l_p_c17xx_8c.html#a1f52a4afe1c11be1226f3acece869e27">__M</a> * __F_IN) / <a class="el" href="system___l_p_c17xx_8c.html#afd6797d8d70b1439f9a2d4cc52da7266">__N</a>)</td>
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<a id="a1f52a4afe1c11be1226f3acece869e27"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a1f52a4afe1c11be1226f3acece869e27">&#9670;&nbsp;</a></span>__M</h2>
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<td class="memname">#define __M&#160;&#160;&#160;(((<a class="el" href="system___l_p_c17xx_8c.html#a600ee717e584c9795c063dc4c35f0dc3">PLL0CFG_Val</a> ) &amp; 0x7FFF) + 1)</td>
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<a id="afd6797d8d70b1439f9a2d4cc52da7266"></a>
<h2 class="memtitle"><span class="permalink"><a href="#afd6797d8d70b1439f9a2d4cc52da7266">&#9670;&nbsp;</a></span>__N</h2>
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<td class="memname">#define __N&#160;&#160;&#160;(((<a class="el" href="system___l_p_c17xx_8c.html#a600ee717e584c9795c063dc4c35f0dc3">PLL0CFG_Val</a> &gt;&gt; 16) &amp; 0x00FF) + 1)</td>
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<a id="a464e2b89239c8a935c52cf8721fd3d6b"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a464e2b89239c8a935c52cf8721fd3d6b">&#9670;&nbsp;</a></span>CCLKCFG_Val</h2>
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<td class="memname">#define CCLKCFG_Val&#160;&#160;&#160;0x00000003</td>
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<h2 class="memtitle"><span class="permalink"><a href="#a773c8761088ae68a786a4c72bb42deec">&#9670;&nbsp;</a></span>CHECK_RANGE</h2>
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<td class="memname">#define CHECK_RANGE</td>
<td>(</td>
<td class="paramtype">&#160;</td>
<td class="paramname">val, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">&#160;</td>
<td class="paramname">min, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">&#160;</td>
<td class="paramname">max&#160;</td>
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<td></td>
<td>)</td>
<td></td><td>&#160;&#160;&#160;((val &lt; min) || (val &gt; max))</td>
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<h2 class="memtitle"><span class="permalink"><a href="#a098e4b07ffb372fafb9aefd1a2393136">&#9670;&nbsp;</a></span>CHECK_RSVD</h2>
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<td class="memname">#define CHECK_RSVD</td>
<td>(</td>
<td class="paramtype">&#160;</td>
<td class="paramname">val, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">&#160;</td>
<td class="paramname">mask&#160;</td>
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<td></td>
<td>)</td>
<td></td><td>&#160;&#160;&#160;(val &amp; mask)</td>
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<h2 class="memtitle"><span class="permalink"><a href="#ac2ce57d037a6de9c38a38fb421c5dcf0">&#9670;&nbsp;</a></span>CLKOUTCFG_Val</h2>
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<td class="memname">#define CLKOUTCFG_Val&#160;&#160;&#160;0x00000000</td>
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<a id="a88278330fa4950022fb0e40f6326dca1"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a88278330fa4950022fb0e40f6326dca1">&#9670;&nbsp;</a></span>CLKSRCSEL_Val</h2>
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<td class="memname">#define CLKSRCSEL_Val&#160;&#160;&#160;0x00000001</td>
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<h2 class="memtitle"><span class="permalink"><a href="#aee2245fb4caf68f0fc571d8b24ff5626">&#9670;&nbsp;</a></span>CLOCK_SETUP</h2>
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<td class="memname">#define CLOCK_SETUP&#160;&#160;&#160;1</td>
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<a id="af55848191b98ff9fa28b7bde1e251e0a"></a>
<h2 class="memtitle"><span class="permalink"><a href="#af55848191b98ff9fa28b7bde1e251e0a">&#9670;&nbsp;</a></span>FLASH_SETUP</h2>
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<td class="memname">#define FLASH_SETUP&#160;&#160;&#160;1</td>
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<a id="af1aa676c55cb66fa559965efba325ec1"></a>
<h2 class="memtitle"><span class="permalink"><a href="#af1aa676c55cb66fa559965efba325ec1">&#9670;&nbsp;</a></span>FLASHCFG_Val</h2>
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<td class="memname">#define FLASHCFG_Val&#160;&#160;&#160;0x00004000</td>
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</div>
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<a id="ae0a03eb01e572e1df99df1515ac20290"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ae0a03eb01e572e1df99df1515ac20290">&#9670;&nbsp;</a></span>IRC_OSC</h2>
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<td class="memname">#define IRC_OSC&#160;&#160;&#160;( 4000000UL) /* Internal RC oscillator frequency */</td>
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<a id="a4dd4b4d2e3d60ee802944cb301aed687"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a4dd4b4d2e3d60ee802944cb301aed687">&#9670;&nbsp;</a></span>OSC_CLK</h2>
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<td class="memname">#define OSC_CLK&#160;&#160;&#160;( <a class="el" href="system___l_p_c17xx_8c.html#a3cad0f9b3c40159bd2fbd7f5e60f2fff">XTAL</a>) /* Main oscillator frequency */</td>
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<a id="a34dfbc94a35799892894e6a933ca5243"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a34dfbc94a35799892894e6a933ca5243">&#9670;&nbsp;</a></span>PCLKSEL0_Val</h2>
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<td class="memname">#define PCLKSEL0_Val&#160;&#160;&#160;0x00000000</td>
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<a id="a93ba8ce0a676a2e32707e9359b579ab6"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a93ba8ce0a676a2e32707e9359b579ab6">&#9670;&nbsp;</a></span>PCLKSEL1_Val</h2>
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<td class="memname">#define PCLKSEL1_Val&#160;&#160;&#160;0x00000000</td>
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</div>
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<a id="af29be85f9b711ec65a52284c1a6c96d4"></a>
<h2 class="memtitle"><span class="permalink"><a href="#af29be85f9b711ec65a52284c1a6c96d4">&#9670;&nbsp;</a></span>PCONP_Val</h2>
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<td class="memname">#define PCONP_Val&#160;&#160;&#160;0x042887DE</td>
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</div>
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<a id="a1bed52a37381d5af047c718eb816d6ca"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a1bed52a37381d5af047c718eb816d6ca">&#9670;&nbsp;</a></span>PLL0_SETUP</h2>
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<td class="memname">#define PLL0_SETUP&#160;&#160;&#160;1</td>
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<a id="a600ee717e584c9795c063dc4c35f0dc3"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a600ee717e584c9795c063dc4c35f0dc3">&#9670;&nbsp;</a></span>PLL0CFG_Val</h2>
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<td class="memname">#define PLL0CFG_Val&#160;&#160;&#160;0x00050063</td>
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</div>
</div>
<a id="adbc3ac191382c94702ee33f95e310659"></a>
<h2 class="memtitle"><span class="permalink"><a href="#adbc3ac191382c94702ee33f95e310659">&#9670;&nbsp;</a></span>PLL1_SETUP</h2>
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<td class="memname">#define PLL1_SETUP&#160;&#160;&#160;1</td>
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</div>
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<a id="a033a40a3f959936d90c9a79de85062fb"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a033a40a3f959936d90c9a79de85062fb">&#9670;&nbsp;</a></span>PLL1CFG_Val</h2>
<div class="memitem">
<div class="memproto">
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<td class="memname">#define PLL1CFG_Val&#160;&#160;&#160;0x00000023</td>
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</div>
</div>
<a id="a80e62c38e7452c92057864f26034ee82"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a80e62c38e7452c92057864f26034ee82">&#9670;&nbsp;</a></span>RTC_CLK</h2>
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<td class="memname">#define RTC_CLK&#160;&#160;&#160;( 32768UL) /* RTC oscillator frequency */</td>
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<a id="aa643f228c03274d2aad339bf03d55e04"></a>
<h2 class="memtitle"><span class="permalink"><a href="#aa643f228c03274d2aad339bf03d55e04">&#9670;&nbsp;</a></span>SCS_Val</h2>
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<div class="memproto">
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<td class="memname">#define SCS_Val&#160;&#160;&#160;0x00000020</td>
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</table>
</div><div class="memdoc">
</div>
</div>
<a id="abae2ae6c5099e3c0e327d88230123063"></a>
<h2 class="memtitle"><span class="permalink"><a href="#abae2ae6c5099e3c0e327d88230123063">&#9670;&nbsp;</a></span>USBCLKCFG_Val</h2>
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<td class="memname">#define USBCLKCFG_Val&#160;&#160;&#160;0x00000000</td>
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</div>
</div>
<a id="a3cad0f9b3c40159bd2fbd7f5e60f2fff"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a3cad0f9b3c40159bd2fbd7f5e60f2fff">&#9670;&nbsp;</a></span>XTAL</h2>
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<td class="memname">#define XTAL&#160;&#160;&#160;(12000000UL) /* Oscillator frequency */</td>
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</div>
</div>
<h2 class="groupheader">Function Documentation</h2>
<a id="ae0c36a9591fe6e9c45ecb21a794f0f0f"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ae0c36a9591fe6e9c45ecb21a794f0f0f">&#9670;&nbsp;</a></span>SystemCoreClockUpdate()</h2>
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<td class="memname">void SystemCoreClockUpdate </td>
<td>(</td>
<td class="paramtype">void&#160;</td>
<td class="paramname"></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
</div>
</div>
<a id="a93f514700ccf00d08dbdcff7f1224eb2"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a93f514700ccf00d08dbdcff7f1224eb2">&#9670;&nbsp;</a></span>SystemInit()</h2>
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<td class="memname">void SystemInit </td>
<td>(</td>
<td class="paramtype">void&#160;</td>
<td class="paramname"></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
</div>
</div>
<h2 class="groupheader">Variable Documentation</h2>
<a id="aa3cd3e43291e81e795d642b79b6088e6"></a>
<h2 class="memtitle"><span class="permalink"><a href="#aa3cd3e43291e81e795d642b79b6088e6">&#9670;&nbsp;</a></span>SystemCoreClock</h2>
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<td class="memname">uint32_t SystemCoreClock = <a class="el" href="system___l_p_c17xx_8c.html#ab40b7b139fc425dbd3f7adece2e14478">__CORE_CLK</a></td>
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