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<p><span lang=EN-US style='font-size:10.0pt;mso-ansi-language:EN-US'>Input
none </span><span lang=EN-US style='mso-ansi-language:EN-US'><o:p></o:p></span></p>
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<br>
<p class=MsoNormal style='margin-left:36.0pt'><b><span lang=EN-US
style='mso-ansi-language:EN-US'>Share LED</span></b><span lang=EN-US
style='mso-ansi-language:EN-US'><o:p><br>
</o:p></span></p>
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mso-cellspacing:.7pt;mso-padding-alt:5.25pt 5.25pt 5.25pt 5.25pt'>
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<p><b><span lang=EN-US style='font-size:10.0pt;mso-ansi-language:EN-US'>LED</span></b><span
lang=EN-US style='mso-ansi-language:EN-US'><o:p></o:p></span></p>
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<p><b><span lang=EN-US style='font-size:10.0pt;mso-ansi-language:EN-US'>Task</span></b><span
lang=EN-US style='mso-ansi-language:EN-US'><o:p></o:p></span></p>
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<p><b><span lang=EN-US style='mso-ansi-language:EN-US'>1</span></b><span
lang=EN-US style='mso-ansi-language:EN-US'><o:p></o:p></span></p>
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<p><b><span lang=EN-US style='font-size:10.0pt;mso-ansi-language:EN-US'>background</span></b><span
lang=EN-US style='mso-ansi-language:EN-US'><o:p></o:p></span></p>
</td>
</tr>
<tr>
<td width="20%" valign=top style='width:20.0%;padding:5.25pt 5.25pt 5.25pt 5.25pt'>
<p><b><span lang=EN-US style='mso-ansi-language:EN-US'>2</span></b><span
lang=EN-US style='mso-ansi-language:EN-US'><o:p></o:p></span></p>
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<p><b><span lang=EN-US style='font-size:10.0pt;mso-ansi-language:EN-US'>Software
IRQ / IRQ0 / PIO IRQ</span></b><span lang=EN-US style='mso-ansi-language:
EN-US'><o:p></o:p></span></p>
</td>
</tr>
<tr>
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<p><b><span lang=FR style='mso-ansi-language:FR'>3</span></b><span lang=FR
style='mso-ansi-language:FR'><o:p></o:p></span></p>
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<p><b><span lang=FR style='font-size:10.0pt;mso-ansi-language:FR'>Timer
0 IRQ/ FIRQ</span></b><span lang=FR style='mso-ansi-language:FR'><o:p></o:p></span></p>
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</tr>
<tr>
<td width="20%" valign=top style='width:20.0%;padding:5.25pt 5.25pt 5.25pt 5.25pt'>
<p><b><span lang=EN-US style='mso-ansi-language:EN-US'>4</span></b><span
lang=EN-US style='mso-ansi-language:EN-US'><o:p></o:p></span></p>
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<td width="80%" valign=top style='width:80.0%;padding:5.25pt 5.25pt 5.25pt 5.25pt'>
<p><b><span lang=EN-US style='font-size:10.0pt;mso-ansi-language:EN-US'>Timer
1 IRQ </span></b><span lang=EN-US style='mso-ansi-language:EN-US'><o:p></o:p></span></p>
</td>
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</table>
<br>
</div>
<blockquote>
<p>
<div class=Section1>
<p><b><span lang=EN-US style='mso-ansi-language:EN-US'>Background</span></b></p>
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mso-cellspacing:.7pt;mso-padding-alt:5.25pt 5.25pt 5.25pt 5.25pt'>
<tr>
<td width="10%" valign=top style='width:10.0%;padding:5.25pt 5.25pt 5.25pt 5.25pt'>
<p><b><span lang=EN-US style='font-size:10.0pt;mso-ansi-language:EN-US'>Task</span></b><span
lang=EN-US style='mso-ansi-language:EN-US'><o:p></o:p></span></p>
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<td width="20%" valign=top style='width:20.0%;padding:5.25pt 5.25pt 5.25pt 5.25pt'>
<p><b><span lang=EN-US style='font-size:10.0pt;mso-ansi-language:EN-US'>LED</span></b><span
lang=EN-US style='mso-ansi-language:EN-US'><o:p></o:p></span></p>
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<td width="20%" valign=top style='width:20.0%;padding:5.25pt 5.25pt 5.25pt 5.25pt'>
<p><b><span lang=EN-US style='font-size:10.0pt;mso-ansi-language:EN-US'>Function</span></b><span
lang=EN-US style='mso-ansi-language:EN-US'><o:p></o:p></span></p>
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<td width="50%" valign=top style='width:50.0%;padding:5.25pt 5.25pt 5.25pt 5.25pt'>
<p><b><span lang=EN-US style='font-size:10.0pt;mso-ansi-language:EN-US'>Comment</span></b><span
lang=EN-US style='mso-ansi-language:EN-US'><o:p></o:p></span></p>
</td>
</tr>
<tr>
<td width="8%" valign=top style='width:8.0%;padding:5.25pt 5.25pt 5.25pt 5.25pt'>
<p><span lang=EN-US style='font-size:10.0pt;mso-ansi-language:EN-US'>background</span><span
lang=EN-US style='mso-ansi-language:EN-US'><o:p></o:p></span></p>
</td>
<td width="8%" valign=top style='width:8.0%;padding:5.25pt 5.25pt 5.25pt 5.25pt'>
<p><span lang=EN-US style='font-size:10.0pt;mso-ansi-language:EN-US'>1</span><span
lang=EN-US style='mso-ansi-language:EN-US'><o:p></o:p></span></p>
</td>
<td width="25%" valign=top style='width:25.0%;padding:5.25pt 5.25pt 5.25pt 5.25pt'>
<p><span lang=EN-US style='font-size:10.0pt;mso-ansi-language:EN-US'>main</span><span
lang=EN-US style='mso-ansi-language:EN-US'><o:p></o:p></span></p>
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<p><span lang=EN-US style='font-size:10.0pt;mso-ansi-language:EN-US'>Infinity
loop</span><span lang=EN-US style='mso-ansi-language:EN-US'><o:p></o:p></span></p>
</td>
</tr>
</table>
<p><b><span lang=EN-US
style='mso-ansi-language:EN-US'>Switch </span></b></p>
<table border=1 cellspacing=1 cellpadding=0 width=671 style='width:503.6pt;
mso-cellspacing:.7pt;mso-padding-alt:5.25pt 5.25pt 5.25pt 5.25pt'>
<tr>
<td width="18%" valign=top style='width:18.52%;padding:5.25pt 5.25pt 5.25pt 5.25pt'>
<p><b><span lang=EN-US style='font-size:10.0pt;mso-ansi-language:EN-US'>Switch</span></b><span
lang=EN-US style='mso-ansi-language:EN-US'><o:p></o:p></span></p>
</td>
<td width="18%" valign=top style='width:18.58%;padding:5.25pt 5.25pt 5.25pt 5.25pt'>
<p><b><span lang=EN-US style='font-size:10.0pt;mso-ansi-language:EN-US'>Interrupt<o:p></o:p></span></b></p>
</td>
<td width="62%" valign=top style='width:62.36%;padding:5.25pt 5.25pt 5.25pt 5.25pt'>
<p><b><span lang=EN-US style='font-size:10.0pt;mso-ansi-language:EN-US'>Task</span></b><span
lang=EN-US style='mso-ansi-language:EN-US'><o:p></o:p></span></p>
</td>
</tr>
<tr>
<td width="18%" valign=top style='width:18.52%;padding:5.25pt 5.25pt 5.25pt 5.25pt'>
<p><b><span lang=EN-US style='mso-ansi-language:EN-US'>1</span></b><span
lang=EN-US style='mso-ansi-language:EN-US'><o:p></o:p></span></p>
</td>
<td width="18%" valign=top style='width:18.58%;padding:5.25pt 5.25pt 5.25pt 5.25pt'>
<p><b><span lang=EN-US style='mso-ansi-language:EN-US'>FIQ<span
style="mso-spacerun: yes"> </span>(higher 7)<o:p></o:p></span></b></p>
</td>
<td width="62%" valign=top style='width:62.36%;padding:5.25pt 5.25pt 5.25pt 5.25pt'>
<p><b><span lang=EN-US style='font-size:10.0pt;mso-ansi-language:EN-US'>Toggle
LED 3 </span></b><span lang=EN-US style='mso-ansi-language:EN-US'><o:p></o:p></span></p>
</td>
</tr>
<tr>
<td width="18%" valign=top style='width:18.52%;padding:5.25pt 5.25pt 5.25pt 5.25pt'>
<p><b><span lang=EN-US style='mso-ansi-language:EN-US'>2</span></b><span
lang=EN-US style='mso-ansi-language:EN-US'><o:p></o:p></span></p>
</td>
<td width="18%" valign=top style='width:18.58%;padding:5.25pt 5.25pt 5.25pt 5.25pt'>
<p><b><span lang=EN-US style='mso-ansi-language:EN-US'>IRQ0 (Level
2)<o:p></o:p></span></b></p>
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<td width="62%" valign=top style='width:62.36%;padding:5.25pt 5.25pt 5.25pt 5.25pt'>
<p><span lang=EN-US style='mso-ansi-language:EN-US'>(SW3 Action).
Stop LED 1, 2 and 3<o:p></o:p></span></p>
</td>
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<tr>
<td width="18%" valign=top style='width:18.52%;padding:5.25pt 5.25pt 5.25pt 5.25pt'>
<p><b>3</b></p>
</td>
<td width="18%" valign=top style='width:18.58%;padding:5.25pt 5.25pt 5.25pt 5.25pt'>
<p><b>None<o:p></o:p></b></p>
</td>
<td width="62%" valign=top style='width:62.36%;padding:5.25pt 5.25pt 5.25pt 5.25pt'>
<p>For IRQ0 and PIO</p>
</td>
</tr>
<tr>
<td width="18%" valign=top style='width:18.52%;padding:5.25pt 5.25pt 5.25pt 5.25pt'>
<p><b><span lang=EN-US style='mso-ansi-language:EN-US'>4</span></b><span
lang=EN-US style='mso-ansi-language:EN-US'><o:p></o:p></span></p>
</td>
<td width="18%" valign=top style='width:18.58%;padding:5.25pt 5.25pt 5.25pt 5.25pt'>
<p><b><span lang=EN-US style='mso-ansi-language:EN-US'>PIO (Level
6)<o:p></o:p></span></b></p>
</td>
<td width="62%" valign=top style='width:62.36%;padding:5.25pt 5.25pt 5.25pt 5.25pt'>
<p><span lang=EN-US style='mso-ansi-language:EN-US'>(SW3 Action).
Stop All LEDs<o:p></o:p></span></p>
</td>
</tr>
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<td width="18%" valign=top style='width:18.52%;padding:5.25pt 5.25pt 5.25pt 5.25pt'>
<p><b><span lang=EN-US style='mso-ansi-language:EN-US'>Usart<o:p></o:p></span></b></p>
</td>
<td width="18%" valign=top style='width:18.58%;padding:5.25pt 5.25pt 5.25pt 5.25pt'>
<p><b><span lang=EN-US style='mso-ansi-language:EN-US'>(Level 7)<o:p></o:p></span></b></p>
</td>
<td width="62%" valign=top style='width:62.36%;padding:5.25pt 5.25pt 5.25pt 5.25pt'>
<p><span lang=EN-US style='mso-ansi-language:EN-US'>Loop char under
interrupt<o:p></o:p></span></p>
</td>
</tr>
</table>
<p><b><span lang=EN-US
style='mso-ansi-language:EN-US'> </span></b></p>
</div>
</p>
</blockquote>
<div class=Section1>
<p class=MsoNormal><a name="Usart_Configuration"><b><span lang=EN-US
style='mso-ansi-language:EN-US'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></b></a></p>
<p class=MsoNormal><span style='mso-bookmark:Usart_Configuration'><b><span
lang=EN-US style='mso-ansi-language:EN-US'>Usart 0 Configuration<o:p></o:p></span></b></span></p>
<p class=MsoNormal><span style='mso-bookmark:Usart_Configuration'><span
lang=EN-US style='mso-ansi-language:EN-US'>- 115200,Parity none, 1 stop, without
flux control<o:p></o:p></span></span></p>
<p class=MsoNormal><span style='mso-bookmark:Usart_Configuration'><span
lang=EN-US style='mso-ansi-language:EN-US'>- Use a cross cable for the connection
with the PC</span></span><span lang=EN-US style='mso-ansi-language:EN-US'><o:p></o:p></span></p>
</div>
</body>
</html>
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