<tr><td bgcolor="#FFFFCC"><font size="-1"><b><a href="lib_AT91SAM7S64_h.html#AT91F_TC_GetInterruptMaskStatus">AT91F_TC_GetInterruptMaskStatus</a></b></font></td><td><font size="-1">Return TC Interrupt Mask Status</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b><a href="lib_AT91SAM7S64_h.html#AT91F_TC_InterruptEnable">AT91F_TC_InterruptEnable</a></b></font></td><td><font size="-1">Enable TC Interrupt</font></td></tr>
</null></table></null><h2>TC Register Description</h2>
<null><a name="TC_CCR"></a><h4><a href="#TC">TC</a>: <i><a href="AT91SAM7S64_h.html#AT91_REG">AT91_REG</a></i> TC_CCR  <i>Channel Control Register</i></h4><ul><null><font size="-2"><li><b>TC0</b> <i><a href="AT91SAM7S64_h.html#AT91C_TC0_CCR">AT91C_TC0_CCR</a></i> 0xFFFA0000</font><font size="-2"><li><b>TC1</b> <i><a href="AT91SAM7S64_h.html#AT91C_TC1_CCR">AT91C_TC1_CCR</a></i> 0xFFFA0040</font><font size="-2"><li><b>TC2</b> <i><a href="AT91SAM7S64_h.html#AT91C_TC2_CCR">AT91C_TC2_CCR</a></i> 0xFFFA0080</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="AT91SAM7S64_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="AT91SAM7S64_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="AT91SAM7S64_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="AT91SAM7S64_h.html#AT91_REG">AT91_REG</a></i> TC_CMR  <i>Channel Mode Register (Capture Mode / Waveform Mode)</i></h4><ul><null><font size="-2"><li><b>TC0</b> <i><a href="AT91SAM7S64_h.html#AT91C_TC0_CMR">AT91C_TC0_CMR</a></i> 0xFFFA0004</font><font size="-2"><li><b>TC1</b> <i><a href="AT91SAM7S64_h.html#AT91C_TC1_CMR">AT91C_TC1_CMR</a></i> 0xFFFA0044</font><font size="-2"><li><b>TC2</b> <i><a href="AT91SAM7S64_h.html#AT91C_TC2_CMR">AT91C_TC2_CMR</a></i> 0xFFFA0084</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">2..0</td><td align="CENTER"><a name="TC_CLKS"></a><b>TC_CLKS</b><font size="-2"><br><a href="AT91SAM7S64_h.html#AT91C_TC_CLKS">AT91C_TC_CLKS</a></font></td><td><b>Clock 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_CLKS_TIMER_DIV1_CLOCK"></a><b>TC_CLKS_TIMER_DIV1_CLOCK</b><font size="-1"><br><a href="AT91SAM7S64_h.html#AT91C_TC_CLKS_TIMER_DIV1_CLOCK">AT91C_TC_CLKS_TIMER_DIV1_CLOCK</a></font></td><td><br>Clock selected: TIMER_DIV1_CLOCK</td></tr>
<tr><td align="CENTER">1</td><td align="CENTER"><a name="TC_CLKS_TIMER_DIV2_CLOCK"></a><b>TC_CLKS_TIMER_DIV2_CLOCK</b><font size="-1"><br><a href="AT91SAM7S64_h.html#AT91C_TC_CLKS_TIMER_DIV2_CLOCK">AT91C_TC_CLKS_TIMER_DIV2_CLOCK</a></font></td><td><br>Clock selected: TIMER_DIV2_CLOCK</td></tr>
<tr><td align="CENTER">2</td><td align="CENTER"><a name="TC_CLKS_TIMER_DIV3_CLOCK"></a><b>TC_CLKS_TIMER_DIV3_CLOCK</b><font size="-1"><br><a href="AT91SAM7S64_h.html#AT91C_TC_CLKS_TIMER_DIV3_CLOCK">AT91C_TC_CLKS_TIMER_DIV3_CLOCK</a></font></td><td><br>Clock selected: TIMER_DIV3_CLOCK</td></tr>
<tr><td align="CENTER">3</td><td align="CENTER"><a name="TC_CLKS_TIMER_DIV4_CLOCK"></a><b>TC_CLKS_TIMER_DIV4_CLOCK</b><font size="-1"><br><a href="AT91SAM7S64_h.html#AT91C_TC_CLKS_TIMER_DIV4_CLOCK">AT91C_TC_CLKS_TIMER_DIV4_CLOCK</a></font></td><td><br>Clock selected: TIMER_DIV4_CLOCK</td></tr>
<tr><td align="CENTER">4</td><td align="CENTER"><a name="TC_CLKS_TIMER_DIV5_CLOCK"></a><b>TC_CLKS_TIMER_DIV5_CLOCK</b><font size="-1"><br><a href="AT91SAM7S64_h.html#AT91C_TC_CLKS_TIMER_DIV5_CLOCK">AT91C_TC_CLKS_TIMER_DIV5_CLOCK</a></font></td><td><br>Clock selected: TIMER_DIV5_CLOCK</td></tr>
<tr><td align="CENTER">5</td><td align="CENTER"><a name="TC_CLKS_XC0"></a><b>TC_CLKS_XC0</b><font size="-1"><br><a href="AT91SAM7S64_h.html#AT91C_TC_CLKS_XC0">AT91C_TC_CLKS_XC0</a></font></td><td><br>Clock selected: XC0</td></tr>
<tr><td align="CENTER">6</td><td align="CENTER"><a name="TC_CLKS_XC1"></a><b>TC_CLKS_XC1</b><font size="-1"><br><a href="AT91SAM7S64_h.html#AT91C_TC_CLKS_XC1">AT91C_TC_CLKS_XC1</a></font></td><td><br>Clock selected: XC1</td></tr>
<tr><td align="CENTER">7</td><td align="CENTER"><a name="TC_CLKS_XC2"></a><b>TC_CLKS_XC2</b><font size="-1"><br><a href="AT91SAM7S64_h.html#AT91C_TC_CLKS_XC2">AT91C_TC_CLKS_XC2</a></font></td><td><br>Clock selected: XC2</td></tr>
</null></table></font>
</td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC">3a</td><td align="CENTER"><a name="TC_CLKI"></a><b>TC_CLKI</b><font size="-2"><br><a href="AT91SAM7S64_h.html#AT91C_TC_CLKI">AT91C_TC_CLKI</a></font></td><td><b>Clock Invert</b><br>0 = Counter is incremented on rising edge of the clock.<br>1 = Counter is incremented on falling edge of the clock.</td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC">5..4</td><td align="CENTER"><a name="TC_BURST"></a><b>TC_BURST</b><font size="-2"><br><a href="AT91SAM7S64_h.html#AT91C_TC_BURST">AT91C_TC_BURST</a></font></td><td><b>Burst Signal 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_BURST_NONE"></a><b>TC_BURST_NONE</b><font size="-1"><br><a href="AT91SAM7S64_h.html#AT91C_TC_BURST_NONE">AT91C_TC_BURST_NONE</a></font></td><td><br>The clock is not gated by an external signal</td></tr>
<tr><td align="CENTER">1</td><td align="CENTER"><a name="TC_BURST_XC0"></a><b>TC_BURST_XC0</b><font size="-1"><br><a href="AT91SAM7S64_h.html#AT91C_TC_BURST_XC0">AT91C_TC_BURST_XC0</a></font></td><td><br>XC0 is ANDed with the selected clock</td></tr>
<tr><td align="CENTER">2</td><td align="CENTER"><a name="TC_BURST_XC1"></a><b>TC_BURST_XC1</b><font size="-1"><br><a href="AT91SAM7S64_h.html#AT91C_TC_BURST_XC1">AT91C_TC_BURST_XC1</a></font></td><td><br>XC1 is ANDed with the selected clock</td></tr>
<tr><td align="CENTER">3</td><td align="CENTER"><a name="TC_BURST_XC2"></a><b>TC_BURST_XC2</b><font size="-1"><br><a href="AT91SAM7S64_h.html#AT91C_TC_BURST_XC2">AT91C_TC_BURST_XC2</a></font></td><td><br>XC2 is ANDed with the selected clock</td></tr>
</null></table></font>
</td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC">6a</td><td align="CENTER"><a name="TC_LDBSTOP"></a><b>TC_LDBSTOP</b><font size="-2"><br><a href="AT91SAM7S64_h.html#AT91C_TC_LDBSTOP">AT91C_TC_LDBSTOP</a></font></td><td><b>Counter Clock Stopped with RB Loading</b><br>0 = Counter clock is not stopped when RB loading occurs.<br>1 = Counter clock is stopped when RB loading occurs.</td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC">7a</td><td align="CENTER"><a name="TC_LDBDIS"></a><b>TC_LDBDIS</b><font size="-2"><br><a href="AT91SAM7S64_h.html#AT91C_TC_LDBDIS">AT91C_TC_LDBDIS</a></font></td><td><b>Counter Clock Disabled with RB Loading</b><br>0 = Counter clock is not disabled when RB loading occurs.<br>1 = Counter clock is disabled when RB loading occurs.</td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC">9..8</td><td align="CENTER"><a name="TC_ETRGEDG"></a><b>TC_ETRGEDG</b><font size="-2"><br><a href="AT91SAM7S64_h.html#AT91C_TC_ETRGEDG">AT91C_TC_ETRGEDG</a></font></td><td><b>External Trigger 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_ETRGEDG_NONE"></a><b>TC_ETRGEDG_NONE</b><font size="-1"><br><a href="AT91SAM7S64_h.html#AT91C_TC_ETRGEDG_NONE">AT91C_TC_ETRGEDG_NONE</a></font></td><td><br>Edge: None</td></tr>
<tr><td align="CENTER">1</td><td align="CENTER"><a name="TC_ETRGEDG_RISING"></a><b>TC_ETRGEDG_RISING</b><font size="-1"><br><a href="AT91SAM7S64_h.html#AT91C_TC_ETRGEDG_RISING">AT91C_TC_ETRGEDG_RISING</a></font></td><td><br>Edge: rising edge</td></tr>
<tr><td align="CENTER">2</td><td align="CENTER"><a name="TC_ETRGEDG_FALLING"></a><b>TC_ETRGEDG_FALLING</b><font size="-1"><br><a href="AT91SAM7S64_h.html#AT91C_TC_ETRGEDG_FALLING">AT91C_TC_ETRGEDG_FALLING</a></font></td><td><br>Edge: falling edge</td></tr>
<tr><td align="CENTER">3</td><td align="CENTER"><a name="TC_ETRGEDG_BOTH"></a><b>TC_ETRGEDG_BOTH</b><font size="-1"><br><a href="AT91SAM7S64_h.html#AT91C_TC_ETRGEDG_BOTH">AT91C_TC_ETRGEDG_BOTH</a></font></td><td><br>Edge: each edge</td></tr>
</null></table></font>
</td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC">10a</td><td align="CENTER"><a name="TC_ABETRG"></a><b>TC_ABETRG</b><font size="-2"><br><a href="AT91SAM7S64_h.html#AT91C_TC_ABETRG">AT91C_TC_ABETRG</a></font></td><td><b>TIOA or TIOB External Trigger Selection</b><br>0 = TIOB is used as an external trigger.<br>1 = TIOA is used as an external trigger.</td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC">14a</td><td align="CENTER"><a name="TC_CPCTRG"></a><b>TC_CPCTRG</b><font size="-2"><br><a href="AT91SAM7S64_h.html#AT91C_TC_CPCTRG">AT91C_TC_CPCTRG</a></font></td><td><b>RC Compare Trigger Enable</b><br>0 = RC Compare has no effect on the counter and its clock.<br>1 = RC Compare resets the counter and starts the counter clock.</td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC">15a</td><td align="CENTER"><a name="TC_WAVE"></a><b>TC_WAVE</b><font size="-2"><br><a href="AT91SAM7S64_h.html#AT91C_TC_WAVE">AT91C_TC_WAVE</a></font></td><td><b></b><br>0 = Capture Mode is enabled.<br>1 = Capture Mode is disabled (Waveform Mode is enabled).<br>0 = Waveform Mode is disabled (Capture Mode is enabled).<br>1 = Waveform Mode is enabled.</td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC">17..16</td><td align="CENTER"><a name="TC_LDRA"></a><b>TC_LDRA</b><font size="-2"><br><a href="AT91SAM7S64_h.html#AT91C_TC_LDRA">AT91C_TC_LDRA</a></font></td><td><b>RA Loading 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_LDRA_NONE"></a><b>TC_LDRA_NONE</b><font size="-1"><br><a href="AT91SAM7S64_h.html#AT91C_TC_LDRA_NONE">AT91C_TC_LDRA_NONE</a></font></td><td><br>Edge: None</td></tr>
<tr><td align="CENTER">1</td><td align="CENTER"><a name="TC_LDRA_RISING"></a><b>TC_LDRA_RISING</b><font size="-1"><br><a href="AT91SAM7S64_h.html#AT91C_TC_LDRA_RISING">AT91C_TC_LDRA_RISING</a></font></td><td><br>Edge: rising edge of TIOA</td></tr>
<tr><td align="CENTER">2</td><td align="CENTER"><a name="TC_LDRA_FALLING"></a><b>TC_LDRA_FALLING</b><font size="-1"><br><a href="AT91SAM7S64_h.html#AT91C_TC_LDRA_FALLING">AT91C_TC_LDRA_FALLING</a></font></td><td><br>Edge: falling edge of TIOA</td></tr>
<tr><td align="CENTER">3</td><td align="CENTER"><a name="TC_LDRA_BOTH"></a><b>TC_LDRA_BOTH</b><font size="-1"><br><a href="AT91SAM7S64_h.html#AT91C_TC_LDRA_BOTH">AT91C_TC_LDRA_BOTH</a></font></td><td><br>Edge: each edge of TIOA</td></tr>
</null></table></font>
</td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC">19..18</td><td align="CENTER"><a name="TC_LDRB"></a><b>TC_LDRB</b><font size="-2"><br><a href="AT91SAM7S64_h.html#AT91C_TC_LDRB">AT91C_TC_LDRB</a></font></td><td><b>RB Loading 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_LDRB_NONE"></a><b>TC_LDRB_NONE</b><font size="-1"><br><a href="AT91SAM7S64_h.html#AT91C_TC_LDRB_NONE">AT91C_TC_LDRB_NONE</a></font></td><td><br>Edge: None</td></tr>
<tr><td align="CENTER">1</td><td align="CENTER"><a name="TC_LDRB_RISING"></a><b>TC_LDRB_RISING</b><font size="-1"><br><a href="AT91SAM7S64_h.html#AT91C_TC_LDRB_RISING">AT91C_TC_LDRB_RISING</a></font></td><td><br>Edge: rising edge of TIOA</td></tr>