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<h1>Timer Counter Channel Interface Peripheral</h1>
<null><a name="TC2"></a><b>TC2</b> <i><font size="-1">(<a href="AT91R40008_h.html#AT91S_TC">AT91S_TC</a>)</font></i><b> 0xFFFE0080 </b><i><font size="-1">(<a href="AT91R40008_h.html#AT91C_BASE_TC2">AT91C_BASE_TC2</a>)</font></i>
<table border=1 cellpadding=3 cellspacing=0><null><th bgcolor="#FFFFCC"><font size="-1">Periph ID <a href="AT91R40008_AIC.html#AIC">AIC</a></font></th><th bgcolor="#FFFFCC"><font size="-1">Symbol</font></th><th bgcolor="#FFFFCC"><font size="-1">Description</font></th><tr><td bgcolor="#FFFFCC"><font size="-1"><b>6</b> </font></td><td><font size="-1"><i><font size="-1">(<a href="AT91R40008_h.html#AT91C_ID_TC2">AT91C_ID_TC2</a>)</font></i></font></td><td><font size="-1">Timer Counter 2</font></td></tr>
</null></table><br><table border=1 cellpadding=0 cellspacing=0 width="100%"><null><th bgcolor="#FFFFCC"><font size="-1"><b>Function</b></font></th><th bgcolor="#FFFFCC"><font size="-1"><b>Description</b></font></th><tr><td bgcolor="#FFFFCC"><font size="-1"><b><a href="lib_AT91R40008_h.html#AT91F_TC2_CfgPS">AT91F_TC2_CfgPS</a></b></font></td><td><font size="-1">Enable Peripheral clock in PS for TC2</font></td></tr>
</null></table><br><br><a name="TC1"></a><b>TC1</b> <i><font size="-1">(<a href="AT91R40008_h.html#AT91S_TC">AT91S_TC</a>)</font></i><b> 0xFFFE0040 </b><i><font size="-1">(<a href="AT91R40008_h.html#AT91C_BASE_TC1">AT91C_BASE_TC1</a>)</font></i>
<table border=1 cellpadding=3 cellspacing=0><null><th bgcolor="#FFFFCC"><font size="-1">Periph ID <a href="AT91R40008_AIC.html#AIC">AIC</a></font></th><th bgcolor="#FFFFCC"><font size="-1">Symbol</font></th><th bgcolor="#FFFFCC"><font size="-1">Description</font></th><tr><td bgcolor="#FFFFCC"><font size="-1"><b>5</b> </font></td><td><font size="-1"><i><font size="-1">(<a href="AT91R40008_h.html#AT91C_ID_TC1">AT91C_ID_TC1</a>)</font></i></font></td><td><font size="-1">Timer Counter 1</font></td></tr>
</null></table><br><table border=1 cellpadding=0 cellspacing=0 width="100%"><null><th bgcolor="#FFFFCC"><font size="-1"><b>Function</b></font></th><th bgcolor="#FFFFCC"><font size="-1"><b>Description</b></font></th><tr><td bgcolor="#FFFFCC"><font size="-1"><b><a href="lib_AT91R40008_h.html#AT91F_TC1_CfgPS">AT91F_TC1_CfgPS</a></b></font></td><td><font size="-1">Enable Peripheral clock in PS for TC1</font></td></tr>
</null></table><br><br><a name="TC0"></a><b>TC0</b> <i><font size="-1">(<a href="AT91R40008_h.html#AT91S_TC">AT91S_TC</a>)</font></i><b> 0xFFFE0000 </b><i><font size="-1">(<a href="AT91R40008_h.html#AT91C_BASE_TC0">AT91C_BASE_TC0</a>)</font></i>
<table border=1 cellpadding=3 cellspacing=0><null><th bgcolor="#FFFFCC"><font size="-1">Periph ID <a href="AT91R40008_AIC.html#AIC">AIC</a></font></th><th bgcolor="#FFFFCC"><font size="-1">Symbol</font></th><th bgcolor="#FFFFCC"><font size="-1">Description</font></th><tr><td bgcolor="#FFFFCC"><font size="-1"><b>4</b> </font></td><td><font size="-1"><i><font size="-1">(<a href="AT91R40008_h.html#AT91C_ID_TC0">AT91C_ID_TC0</a>)</font></i></font></td><td><font size="-1">Timer Counter 0</font></td></tr>
</null></table><br><table border=1 cellpadding=0 cellspacing=0 width="100%"><null><th bgcolor="#FFFFCC"><font size="-1"><b>Function</b></font></th><th bgcolor="#FFFFCC"><font size="-1"><b>Description</b></font></th><tr><td bgcolor="#FFFFCC"><font size="-1"><b><a href="lib_AT91R40008_h.html#AT91F_TC0_CfgPS">AT91F_TC0_CfgPS</a></b></font></td><td><font size="-1">Enable Peripheral clock in PS for TC0</font></td></tr>
</null></table><br><br></null><a name="TC"></a><h2>TC Software API <i><font size="-1">(<a href="AT91R40008_h.html#AT91S_TC">AT91S_TC</a>)</font></i></h2>
<a name="TC"></a><null><table border=1 cellpadding=0 cellspacing=0 width="100%"><null><th bgcolor="#FFFFCC"><font size="-1"><b>Offset</b></font></th><th bgcolor="#FFFFCC"><font size="-1"><b>Field</b></font></th><th bgcolor="#FFFFCC"><font size="-1"><b>Description</b></font></th>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x0</b></font></td><td><font size="-1"><a href="AT91R40008_TC.html#TC_CCR">TC_CCR</a></font></td><td><font size="-1">Channel Control Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x4</b></font></td><td><font size="-1"><a href="AT91R40008_TC.html#TC_CMR">TC_CMR</a></font></td><td><font size="-1">Channel Mode Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x10</b></font></td><td><font size="-1"><a href="AT91R40008_TC.html#TC_CV">TC_CV</a></font></td><td><font size="-1">Counter Value</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x14</b></font></td><td><font size="-1"><a href="AT91R40008_TC.html#TC_RA">TC_RA</a></font></td><td><font size="-1">Register A</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x18</b></font></td><td><font size="-1"><a href="AT91R40008_TC.html#TC_RB">TC_RB</a></font></td><td><font size="-1">Register B</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x1C</b></font></td><td><font size="-1"><a href="AT91R40008_TC.html#TC_RC">TC_RC</a></font></td><td><font size="-1">Register C</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x20</b></font></td><td><font size="-1"><a href="AT91R40008_TC.html#TC_SR">TC_SR</a></font></td><td><font size="-1">Status Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x24</b></font></td><td><font size="-1"><a href="AT91R40008_TC.html#TC_IER">TC_IER</a></font></td><td><font size="-1">Interrupt Enable Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x28</b></font></td><td><font size="-1"><a href="AT91R40008_TC.html#TC_IDR">TC_IDR</a></font></td><td><font size="-1">Interrupt Disable Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x2C</b></font></td><td><font size="-1"><a href="AT91R40008_TC.html#TC_IMR">TC_IMR</a></font></td><td><font size="-1">Interrupt Mask Register</font></td></tr>
</null></table><br></null><h2>TC Register Description</h2>
<null><a name="TC_CCR"></a><h4><a href="#TC">TC</a>: <i><a href="AT91R40008_h.html#AT91_REG">AT91_REG</a></i> TC_CCR <i>Channel Control Register</i></h4><ul><null><font size="-2"><li><b>TC2</b> <i><a href="AT91R40008_h.html#AT91C_TC2_CCR">AT91C_TC2_CCR</a></i> 0xFFFE0080</font><font size="-2"><li><b>TC1</b> <i><a href="AT91R40008_h.html#AT91C_TC1_CCR">AT91C_TC1_CCR</a></i> 0xFFFE0040</font><font size="-2"><li><b>TC0</b> <i><a href="AT91R40008_h.html#AT91C_TC0_CCR">AT91C_TC0_CCR</a></i> 0xFFFE0000</font></null></ul><table border=1 cellpadding=0 cellspacing=0 width="100%"><null><th bgcolor="#FFFFCC"><b>Offset</b></th><th bgcolor="#FFFFCC"><b>Name</b></th><th bgcolor="#FFFFCC"><b>Description</b></th><tr><td align="CENTER" bgcolor="#FFFFCC">0</td><td align="CENTER"><a name="TC_CLKEN"></a><b>TC_CLKEN</b><font size="-2"><br><a href="AT91R40008_h.html#AT91C_TC_CLKEN">AT91C_TC_CLKEN</a></font></td><td><b>Counter Clock Enable Command</b><br>0 = No effect.<br>1 = Enables the clock if CLKDIS is not 1.</td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC">1</td><td align="CENTER"><a name="TC_CLKDIS"></a><b>TC_CLKDIS</b><font size="-2"><br><a href="AT91R40008_h.html#AT91C_TC_CLKDIS">AT91C_TC_CLKDIS</a></font></td><td><b>Counter Clock Disable Command</b><br>0 = No effect.<br>1 = Disables the clock.</td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC">2</td><td align="CENTER"><a name="TC_SWTRG"></a><b>TC_SWTRG</b><font size="-2"><br><a href="AT91R40008_h.html#AT91C_TC_SWTRG">AT91C_TC_SWTRG</a></font></td><td><b>Software Trigger Command</b><br>0 = No effect.<br>1 = A software trigger is performed: the counter is reset and clock is started.</td></tr>
</null></table>
<a name="TC_CMR"></a><h4><a href="#TC">TC</a>: <i><a href="AT91R40008_h.html#AT91_REG">AT91_REG</a></i> TC_CMR <i>Channel Mode Register</i></h4><ul><null><font size="-2"><li><b>TC2</b> <i><a href="AT91R40008_h.html#AT91C_TC2_CMR">AT91C_TC2_CMR</a></i> 0xFFFE0084</font><font size="-2"><li><b>TC1</b> <i><a href="AT91R40008_h.html#AT91C_TC1_CMR">AT91C_TC1_CMR</a></i> 0xFFFE0044</font><font size="-2"><li><b>TC0</b> <i><a href="AT91R40008_h.html#AT91C_TC0_CMR">AT91C_TC0_CMR</a></i> 0xFFFE0004</font></null></ul><table border=1 cellpadding=0 cellspacing=0 width="100%"><null><th bgcolor="#FFFFCC"><b>Offset</b></th><th bgcolor="#FFFFCC"><b>Name</b></th><th bgcolor="#FFFFCC"><b>Description</b></th><tr><td align="CENTER" bgcolor="#FFFFCC">6</td><td align="CENTER"><a name="TC_CPCSTOP"></a><b>TC_CPCSTOP</b><font size="-2"><br><a href="AT91R40008_h.html#AT91C_TC_CPCSTOP">AT91C_TC_CPCSTOP</a></font></td><td><b>Counter Clock Stopped with RC Compare</b><br>0 = Counter clock is not stopped when counter reaches RC.<br>1 = Counter clock is stopped when counter reaches RC.</td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC">7</td><td align="CENTER"><a name="TC_CPCDIS"></a><b>TC_CPCDIS</b><font size="-2"><br><a href="AT91R40008_h.html#AT91C_TC_CPCDIS">AT91C_TC_CPCDIS</a></font></td><td><b>Counter Clock Disable with RC Compare</b><br>0 = Counter clock is not disabled when counter reaches RC.<br>1 = Counter clock is disabled when counter reaches RC.</td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC">9..8</td><td align="CENTER"><a name="TC_EEVTEDG"></a><b>TC_EEVTEDG</b><font size="-2"><br><a href="AT91R40008_h.html#AT91C_TC_EEVTEDG">AT91C_TC_EEVTEDG</a></font></td><td><b>External Event Edge Selection</b><font size="-1"><table bgcolor="#E3F2FF" border=1 cellpadding=0 cellspacing=0 width="100%"><null><th><b>Value</b></th><th><b>Label</b></th><th><b>Description</b></th><tr><td align="CENTER">0</td><td align="CENTER"><a name="TC_EEVTEDG_NONE"></a><b>TC_EEVTEDG_NONE</b><font size="-1"><br><a href="AT91R40008_h.html#AT91C_TC_EEVTEDG_NONE">AT91C_TC_EEVTEDG_NONE</a></font></td><td><br>Edge: None</td></tr>
<tr><td align="CENTER">1</td><td align="CENTER"><a name="TC_EEVTEDG_RISING"></a><b>TC_EEVTEDG_RISING</b><font size="-1"><br><a href="AT91R40008_h.html#AT91C_TC_EEVTEDG_RISING">AT91C_TC_EEVTEDG_RISING</a></font></td><td><br>Edge: rising edge</td></tr>
<tr><td align="CENTER">2</td><td align="CENTER"><a name="TC_EEVTEDG_FALLING"></a><b>TC_EEVTEDG_FALLING</b><font size="-1"><br><a href="AT91R40008_h.html#AT91C_TC_EEVTEDG_FALLING">AT91C_TC_EEVTEDG_FALLING</a></font></td><td><br>Edge: falling edge</td></tr>
<tr><td align="CENTER">3</td><td align="CENTER"><a name="TC_EEVTEDG_BOTH"></a><b>TC_EEVTEDG_BOTH</b><font size="-1"><br><a href="AT91R40008_h.html#AT91C_TC_EEVTEDG_BOTH">AT91C_TC_EEVTEDG_BOTH</a></font></td><td><br>Edge: each edge</td></tr>
</null></table></font>
</td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC">11..10</td><td align="CENTER"><a name="TC_EEVT"></a><b>TC_EEVT</b><font size="-2"><br><a href="AT91R40008_h.html#AT91C_TC_EEVT">AT91C_TC_EEVT</a></font></td><td><b>External Event Selection</b><font size="-1"><table bgcolor="#E3F2FF" border=1 cellpadding=0 cellspacing=0 width="100%"><null><th><b>Value</b></th><th><b>Label</b></th><th><b>Description</b></th><tr><td align="CENTER">0</td><td align="CENTER"><a name="TC_EEVT_NONE"></a><b>TC_EEVT_NONE</b><font size="-1"><br><a href="AT91R40008_h.html#AT91C_TC_EEVT_NONE">AT91C_TC_EEVT_NONE</a></font></td><td><br>Signal selected as external event: TIOB TIOB direction: input</td></tr>
<tr><td align="CENTER">1</td><td align="CENTER"><a name="TC_EEVT_RISING"></a><b>TC_EEVT_RISING</b><font size="-1"><br><a href="AT91R40008_h.html#AT91C_TC_EEVT_RISING">AT91C_TC_EEVT_RISING</a></font></td><td><br>Signal selected as external event: XC0 TIOB direction: output</td></tr>
<tr><td align="CENTER">2</td><td align="CENTER"><a name="TC_EEVT_FALLING"></a><b>TC_EEVT_FALLING</b><font size="-1"><br><a href="AT91R40008_h.html#AT91C_TC_EEVT_FALLING">AT91C_TC_EEVT_FALLING</a></font></td><td><br>Signal selected as external event: XC1 TIOB direction: output</td></tr>
<tr><td align="CENTER">3</td><td align="CENTER"><a name="TC_EEVT_BOTH"></a><b>TC_EEVT_BOTH</b><font size="-1"><br><a href="AT91R40008_h.html#AT91C_TC_EEVT_BOTH">AT91C_TC_EEVT_BOTH</a></font></td><td><br>Signal selected as external event: XC2 TIOB direction: output</td></tr>
</null></table></font>
</td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC">12</td><td align="CENTER"><a name="TC_ENETRG"></a><b>TC_ENETRG</b><font size="-2"><br><a href="AT91R40008_h.html#AT91C_TC_ENETRG">AT91C_TC_ENETRG</a></font></td><td><b>External Event Trigger enable</b><br>0 = The external event has no effect on the counter and its clock. In this case, the selected external event only controls the TIOA output.<br>1 = The external event resets the counter and starts the counter clock.</td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC">14..13</td><td align="CENTER"><a name="TC_WAVESEL"></a><b>TC_WAVESEL</b><font size="-2"><br><a href="AT91R40008_h.html#AT91C_TC_WAVESEL">AT91C_TC_WAVESEL</a></font></td><td><b>Waveform Selection</b><font size="-1"><table bgcolor="#E3F2FF" border=1 cellpadding=0 cellspacing=0 width="100%"><null><th><b>Value</b></th><th><b>Label</b></th><th><b>Description</b></th><tr><td align="CENTER">0</td><td align="CENTER"><a name="TC_WAVESEL_UP"></a><b>TC_WAVESEL_UP</b><font size="-1"><br><a href="AT91R40008_h.html#AT91C_TC_WAVESEL_UP">AT91C_TC_WAVESEL_UP</a></font></td><td><br>UP mode without atomatic trigger on RC Compare</td></tr>
<tr><td align="CENTER">1</td><td align="CENTER"><a name="TC_WAVESEL_UP_AUTO"></a><b>TC_WAVESEL_UP_AUTO</b><font size="-1"><br><a href="AT91R40008_h.html#AT91C_TC_WAVESEL_UP_AUTO">AT91C_TC_WAVESEL_UP_AUTO</a></font></td><td><br>UP mode with automatic trigger on RC Compare</td></tr>
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