at91sam7a3_tc.html

1、程序目的：介绍AT91SAM7S256-EK TWI的基本用法： 2、 功能说明:通过TWI实现I2C

<tr><td align="CENTER">1</td><td align="CENTER"><a name="TC_ACPC_SET"></a><b>TC_ACPC_SET</b><font size="-1"><br><a href="AT91SAM7A3_h.html#AT91C_TC_ACPC_SET">AT91C_TC_ACPC_SET</a></font></td><td><br>Effect: set</td></tr>
<tr><td align="CENTER">2</td><td align="CENTER"><a name="TC_ACPC_CLEAR"></a><b>TC_ACPC_CLEAR</b><font size="-1"><br><a href="AT91SAM7A3_h.html#AT91C_TC_ACPC_CLEAR">AT91C_TC_ACPC_CLEAR</a></font></td><td><br>Effect: clear</td></tr>
<tr><td align="CENTER">3</td><td align="CENTER"><a name="TC_ACPC_TOGGLE"></a><b>TC_ACPC_TOGGLE</b><font size="-1"><br><a href="AT91SAM7A3_h.html#AT91C_TC_ACPC_TOGGLE">AT91C_TC_ACPC_TOGGLE</a></font></td><td><br>Effect: toggle</td></tr>
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<tr><td align="CENTER" bgcolor="#FFFFCC">21..20</td><td align="CENTER"><a name="TC_AEEVT"></a><b>TC_AEEVT</b><font size="-2"><br><a href="AT91SAM7A3_h.html#AT91C_TC_AEEVT">AT91C_TC_AEEVT</a></font></td><td><b>External Event Effect on TIOA</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_AEEVT_NONE"></a><b>TC_AEEVT_NONE</b><font size="-1"><br><a href="AT91SAM7A3_h.html#AT91C_TC_AEEVT_NONE">AT91C_TC_AEEVT_NONE</a></font></td><td><br>Effect: none</td></tr>
<tr><td align="CENTER">1</td><td align="CENTER"><a name="TC_AEEVT_SET"></a><b>TC_AEEVT_SET</b><font size="-1"><br><a href="AT91SAM7A3_h.html#AT91C_TC_AEEVT_SET">AT91C_TC_AEEVT_SET</a></font></td><td><br>Effect: set</td></tr>
<tr><td align="CENTER">2</td><td align="CENTER"><a name="TC_AEEVT_CLEAR"></a><b>TC_AEEVT_CLEAR</b><font size="-1"><br><a href="AT91SAM7A3_h.html#AT91C_TC_AEEVT_CLEAR">AT91C_TC_AEEVT_CLEAR</a></font></td><td><br>Effect: clear</td></tr>
<tr><td align="CENTER">3</td><td align="CENTER"><a name="TC_AEEVT_TOGGLE"></a><b>TC_AEEVT_TOGGLE</b><font size="-1"><br><a href="AT91SAM7A3_h.html#AT91C_TC_AEEVT_TOGGLE">AT91C_TC_AEEVT_TOGGLE</a></font></td><td><br>Effect: toggle</td></tr>
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<tr><td align="CENTER" bgcolor="#FFFFCC">23..22</td><td align="CENTER"><a name="TC_ASWTRG"></a><b>TC_ASWTRG</b><font size="-2"><br><a href="AT91SAM7A3_h.html#AT91C_TC_ASWTRG">AT91C_TC_ASWTRG</a></font></td><td><b>Software Trigger Effect on TIOA</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_ASWTRG_NONE"></a><b>TC_ASWTRG_NONE</b><font size="-1"><br><a href="AT91SAM7A3_h.html#AT91C_TC_ASWTRG_NONE">AT91C_TC_ASWTRG_NONE</a></font></td><td><br>Effect: none</td></tr>
<tr><td align="CENTER">1</td><td align="CENTER"><a name="TC_ASWTRG_SET"></a><b>TC_ASWTRG_SET</b><font size="-1"><br><a href="AT91SAM7A3_h.html#AT91C_TC_ASWTRG_SET">AT91C_TC_ASWTRG_SET</a></font></td><td><br>Effect: set</td></tr>
<tr><td align="CENTER">2</td><td align="CENTER"><a name="TC_ASWTRG_CLEAR"></a><b>TC_ASWTRG_CLEAR</b><font size="-1"><br><a href="AT91SAM7A3_h.html#AT91C_TC_ASWTRG_CLEAR">AT91C_TC_ASWTRG_CLEAR</a></font></td><td><br>Effect: clear</td></tr>
<tr><td align="CENTER">3</td><td align="CENTER"><a name="TC_ASWTRG_TOGGLE"></a><b>TC_ASWTRG_TOGGLE</b><font size="-1"><br><a href="AT91SAM7A3_h.html#AT91C_TC_ASWTRG_TOGGLE">AT91C_TC_ASWTRG_TOGGLE</a></font></td><td><br>Effect: toggle</td></tr>
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<tr><td align="CENTER" bgcolor="#FFFFCC">25..24</td><td align="CENTER"><a name="TC_BCPB"></a><b>TC_BCPB</b><font size="-2"><br><a href="AT91SAM7A3_h.html#AT91C_TC_BCPB">AT91C_TC_BCPB</a></font></td><td><b>RB Compare Effect on TIOB</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_BCPB_NONE"></a><b>TC_BCPB_NONE</b><font size="-1"><br><a href="AT91SAM7A3_h.html#AT91C_TC_BCPB_NONE">AT91C_TC_BCPB_NONE</a></font></td><td><br>Effect: none</td></tr>
<tr><td align="CENTER">1</td><td align="CENTER"><a name="TC_BCPB_SET"></a><b>TC_BCPB_SET</b><font size="-1"><br><a href="AT91SAM7A3_h.html#AT91C_TC_BCPB_SET">AT91C_TC_BCPB_SET</a></font></td><td><br>Effect: set</td></tr>
<tr><td align="CENTER">2</td><td align="CENTER"><a name="TC_BCPB_CLEAR"></a><b>TC_BCPB_CLEAR</b><font size="-1"><br><a href="AT91SAM7A3_h.html#AT91C_TC_BCPB_CLEAR">AT91C_TC_BCPB_CLEAR</a></font></td><td><br>Effect: clear</td></tr>
<tr><td align="CENTER">3</td><td align="CENTER"><a name="TC_BCPB_TOGGLE"></a><b>TC_BCPB_TOGGLE</b><font size="-1"><br><a href="AT91SAM7A3_h.html#AT91C_TC_BCPB_TOGGLE">AT91C_TC_BCPB_TOGGLE</a></font></td><td><br>Effect: toggle</td></tr>
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<tr><td align="CENTER" bgcolor="#FFFFCC">27..26</td><td align="CENTER"><a name="TC_BCPC"></a><b>TC_BCPC</b><font size="-2"><br><a href="AT91SAM7A3_h.html#AT91C_TC_BCPC">AT91C_TC_BCPC</a></font></td><td><b>RC Compare Effect on TIOB</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_BCPC_NONE"></a><b>TC_BCPC_NONE</b><font size="-1"><br><a href="AT91SAM7A3_h.html#AT91C_TC_BCPC_NONE">AT91C_TC_BCPC_NONE</a></font></td><td><br>Effect: none</td></tr>
<tr><td align="CENTER">1</td><td align="CENTER"><a name="TC_BCPC_SET"></a><b>TC_BCPC_SET</b><font size="-1"><br><a href="AT91SAM7A3_h.html#AT91C_TC_BCPC_SET">AT91C_TC_BCPC_SET</a></font></td><td><br>Effect: set</td></tr>
<tr><td align="CENTER">2</td><td align="CENTER"><a name="TC_BCPC_CLEAR"></a><b>TC_BCPC_CLEAR</b><font size="-1"><br><a href="AT91SAM7A3_h.html#AT91C_TC_BCPC_CLEAR">AT91C_TC_BCPC_CLEAR</a></font></td><td><br>Effect: clear</td></tr>
<tr><td align="CENTER">3</td><td align="CENTER"><a name="TC_BCPC_TOGGLE"></a><b>TC_BCPC_TOGGLE</b><font size="-1"><br><a href="AT91SAM7A3_h.html#AT91C_TC_BCPC_TOGGLE">AT91C_TC_BCPC_TOGGLE</a></font></td><td><br>Effect: toggle</td></tr>
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<tr><td align="CENTER" bgcolor="#FFFFCC">29..28</td><td align="CENTER"><a name="TC_BEEVT"></a><b>TC_BEEVT</b><font size="-2"><br><a href="AT91SAM7A3_h.html#AT91C_TC_BEEVT">AT91C_TC_BEEVT</a></font></td><td><b>External Event Effect on TIOB</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_BEEVT_NONE"></a><b>TC_BEEVT_NONE</b><font size="-1"><br><a href="AT91SAM7A3_h.html#AT91C_TC_BEEVT_NONE">AT91C_TC_BEEVT_NONE</a></font></td><td><br>Effect: none</td></tr>
<tr><td align="CENTER">1</td><td align="CENTER"><a name="TC_BEEVT_SET"></a><b>TC_BEEVT_SET</b><font size="-1"><br><a href="AT91SAM7A3_h.html#AT91C_TC_BEEVT_SET">AT91C_TC_BEEVT_SET</a></font></td><td><br>Effect: set</td></tr>
<tr><td align="CENTER">2</td><td align="CENTER"><a name="TC_BEEVT_CLEAR"></a><b>TC_BEEVT_CLEAR</b><font size="-1"><br><a href="AT91SAM7A3_h.html#AT91C_TC_BEEVT_CLEAR">AT91C_TC_BEEVT_CLEAR</a></font></td><td><br>Effect: clear</td></tr>
<tr><td align="CENTER">3</td><td align="CENTER"><a name="TC_BEEVT_TOGGLE"></a><b>TC_BEEVT_TOGGLE</b><font size="-1"><br><a href="AT91SAM7A3_h.html#AT91C_TC_BEEVT_TOGGLE">AT91C_TC_BEEVT_TOGGLE</a></font></td><td><br>Effect: toggle</td></tr>
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<tr><td align="CENTER" bgcolor="#FFFFCC">31..30</td><td align="CENTER"><a name="TC_BSWTRG"></a><b>TC_BSWTRG</b><font size="-2"><br><a href="AT91SAM7A3_h.html#AT91C_TC_BSWTRG">AT91C_TC_BSWTRG</a></font></td><td><b>Software Trigger Effect on TIOB</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_BSWTRG_NONE"></a><b>TC_BSWTRG_NONE</b><font size="-1"><br><a href="AT91SAM7A3_h.html#AT91C_TC_BSWTRG_NONE">AT91C_TC_BSWTRG_NONE</a></font></td><td><br>Effect: none</td></tr>
<tr><td align="CENTER">1</td><td align="CENTER"><a name="TC_BSWTRG_SET"></a><b>TC_BSWTRG_SET</b><font size="-1"><br><a href="AT91SAM7A3_h.html#AT91C_TC_BSWTRG_SET">AT91C_TC_BSWTRG_SET</a></font></td><td><br>Effect: set</td></tr>
<tr><td align="CENTER">2</td><td align="CENTER"><a name="TC_BSWTRG_CLEAR"></a><b>TC_BSWTRG_CLEAR</b><font size="-1"><br><a href="AT91SAM7A3_h.html#AT91C_TC_BSWTRG_CLEAR">AT91C_TC_BSWTRG_CLEAR</a></font></td><td><br>Effect: clear</td></tr>
<tr><td align="CENTER">3</td><td align="CENTER"><a name="TC_BSWTRG_TOGGLE"></a><b>TC_BSWTRG_TOGGLE</b><font size="-1"><br><a href="AT91SAM7A3_h.html#AT91C_TC_BSWTRG_TOGGLE">AT91C_TC_BSWTRG_TOGGLE</a></font></td><td><br>Effect: toggle</td></tr>
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<a name="TC_CV"></a><h4><a href="#TC">TC</a>: <i><a href="AT91SAM7A3_h.html#AT91_REG">AT91_REG</a></i> TC_CV  <i>Counter Value</i></h4><ul><null><font size="-2"><li><b>TC0</b> <i><a href="AT91SAM7A3_h.html#AT91C_TC0_CV">AT91C_TC0_CV</a></i> 0xFFFA0010</font><font size="-2"><li><b>TC1</b> <i><a href="AT91SAM7A3_h.html#AT91C_TC1_CV">AT91C_TC1_CV</a></i> 0xFFFA0050</font><font size="-2"><li><b>TC2</b> <i><a href="AT91SAM7A3_h.html#AT91C_TC2_CV">AT91C_TC2_CV</a></i> 0xFFFA0090</font><font size="-2"><li><b>TC3</b> <i><a href="AT91SAM7A3_h.html#AT91C_TC3_CV">AT91C_TC3_CV</a></i> 0xFFFA4010</font><font size="-2"><li><b>TC4</b> <i><a href="AT91SAM7A3_h.html#AT91C_TC4_CV">AT91C_TC4_CV</a></i> 0xFFFA4050</font><font size="-2"><li><b>TC5</b> <i><a href="AT91SAM7A3_h.html#AT91C_TC5_CV">AT91C_TC5_CV</a></i> 0xFFFA4090</font><font size="-2"><li><b>TC6</b> <i><a href="AT91SAM7A3_h.html#AT91C_TC6_CV">AT91C_TC6_CV</a></i> 0xFFFA8010</font><font size="-2"><li><b>TC7</b> <i><a href="AT91SAM7A3_h.html#