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<h1>Analog to Digital Convertor Peripheral</h1>
<null><a name="ADC1"></a><b>ADC1</b> <i><font size="-1">(<a href="AT91M55800A_h.html#AT91S_ADC">AT91S_ADC</a>)</font></i><b> 0xFFFB4000 </b><i><font size="-1">(<a href="AT91M55800A_h.html#AT91C_BASE_ADC1">AT91C_BASE_ADC1</a>)</font></i>
<table border=1 cellpadding=3 cellspacing=0><null><th bgcolor="#FFFFCC"><font size="-1">Periph ID <a href="#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>16</b> </font></td><td><font size="-1"><i><font size="-1">(<a href="AT91M55800A_h.html#AT91C_ID_ADC1">AT91C_ID_ADC1</a>)</font></i></font></td><td><font size="-1">ADC 1</font></td></tr>
</null></table><br><table border=1 cellpadding=3 cellspacing=0><null><th bgcolor="#FFFFCC"><font size="-1"><b>Signal</b></font></th><th bgcolor="#FFFFCC"><font size="-1"><b>Symbol</b></font></th><th bgcolor="#FFFFCC"><font size="-1"><b>PIO controller</b></font></th><th bgcolor="#FFFFCC"><font size="-1"><b>Description</b>
</font></th><tr><td bgcolor="#FFFFCC"><font size="-1"><b>AD1TRIG</b></font></td><td><font size="-1"><i><font size="-1">(<a href="#AT91C_PB7_AD1TRIG ">AT91C_PB7_AD1TRIG </a>)</font></i></font></td><td><font size="-1"><a href="#PIOB">PIOB</a> Periph: A Bit: 7</font></td><td><font size="-1">ADC1 External Trigger</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_AT91M55800A_h.html#AT91F_ADC1_CfgAPMC">AT91F_ADC1_CfgAPMC</a></b></font></td><td><font size="-1">Enable Peripheral clock in APMC for ADC1</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b><a href="lib_AT91M55800A_h.html#AT91F_ADC1_CfgPIO">AT91F_ADC1_CfgPIO</a></b></font></td><td><font size="-1">Configure PIO controllers to drive ADC1 signals</font></td></tr>
</null></table><br><br><a name="ADC0"></a><b>ADC0</b> <i><font size="-1">(<a href="AT91M55800A_h.html#AT91S_ADC">AT91S_ADC</a>)</font></i><b> 0xFFFB0000 </b><i><font size="-1">(<a href="AT91M55800A_h.html#AT91C_BASE_ADC0">AT91C_BASE_ADC0</a>)</font></i>
<table border=1 cellpadding=3 cellspacing=0><null><th bgcolor="#FFFFCC"><font size="-1">Periph ID <a href="#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>15</b> </font></td><td><font size="-1"><i><font size="-1">(<a href="AT91M55800A_h.html#AT91C_ID_ADC0">AT91C_ID_ADC0</a>)</font></i></font></td><td><font size="-1">ADC 0</font></td></tr>
</null></table><br><table border=1 cellpadding=3 cellspacing=0><null><th bgcolor="#FFFFCC"><font size="-1"><b>Signal</b></font></th><th bgcolor="#FFFFCC"><font size="-1"><b>Symbol</b></font></th><th bgcolor="#FFFFCC"><font size="-1"><b>PIO controller</b></font></th><th bgcolor="#FFFFCC"><font size="-1"><b>Description</b>
</font></th><tr><td bgcolor="#FFFFCC"><font size="-1"><b>AD0TRIG</b></font></td><td><font size="-1"><i><font size="-1">(<a href="#AT91C_PB6_AD0TRIG ">AT91C_PB6_AD0TRIG </a>)</font></i></font></td><td><font size="-1"><a href="#PIOB">PIOB</a> Periph: A Bit: 6</font></td><td><font size="-1">ADC0 External Trigger</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_AT91M55800A_h.html#AT91F_ADC0_CfgAPMC">AT91F_ADC0_CfgAPMC</a></b></font></td><td><font size="-1">Enable Peripheral clock in APMC for ADC0</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b><a href="lib_AT91M55800A_h.html#AT91F_ADC0_CfgPIO">AT91F_ADC0_CfgPIO</a></b></font></td><td><font size="-1">Configure PIO controllers to drive ADC0 signals</font></td></tr>
</null></table><br><br></null><a name="ADC"></a><h2>ADC Software API <i><font size="-1">(<a href="AT91M55800A_h.html#AT91S_ADC">AT91S_ADC</a>)</font></i></h2>
<a name="ADC"></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="AT91M55800A_ADC.html#ADC_CR">ADC_CR</a></font></td><td><font size="-1">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="AT91M55800A_ADC.html#ADC_MR">ADC_MR</a></font></td><td><font size="-1">Mode Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x10</b></font></td><td><font size="-1">ADC_CHER (<a href="# ADC_CHER"> ADC_CHER</a>)</font></td><td><font size="-1">Channel Enable Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x14</b></font></td><td><font size="-1">ADC_CHDR (<a href="# ADC_CHDR"> ADC_CHDR</a>)</font></td><td><font size="-1">Channel Disable Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x18</b></font></td><td><font size="-1">ADC_CHSR (<a href="# ADC_CHSR"> ADC_CHSR</a>)</font></td><td><font size="-1">Channel Status Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x20</b></font></td><td><font size="-1"><a href="AT91M55800A_ADC.html#ADC_SR">ADC_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="AT91M55800A_ADC.html#ADC_IER">ADC_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="AT91M55800A_ADC.html#ADC_IDR">ADC_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="AT91M55800A_ADC.html#ADC_IMR">ADC_IMR</a></font></td><td><font size="-1">Interrupt Mask Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x30</b></font></td><td><font size="-1">ADC_CDR[4] (<a href="AT91M55800A_ADC.html#ADC_CDR">ADC_CDR</a>)</font></td><td><font size="-1">Convert Data Register</font></td></tr>
</null></table><br></null><h2>ADC Register Description</h2>
<null><a name="ADC_CR"></a><h4><a href="#ADC">ADC</a>: <i><a href="AT91M55800A_h.html#AT91_REG">AT91_REG</a></i> ADC_CR <i>Control Register</i></h4><ul><null><font size="-2"><li><b>ADC1</b> <i><a href="AT91M55800A_h.html#AT91C_ADC1_CR">AT91C_ADC1_CR</a></i> 0xFFFB4000</font><font size="-2"><li><b>ADC0</b> <i><a href="AT91M55800A_h.html#AT91C_ADC0_CR">AT91C_ADC0_CR</a></i> 0xFFFB0000</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="ADC_SWRST"></a><b>ADC_SWRST</b><font size="-2"><br><a href="AT91M55800A_h.html#AT91C_ADC_SWRST">AT91C_ADC_SWRST</a></font></td><td><b>Software Reset</b><br>0 = No effect.<br>1 = Resets the ADC simulating a hardware reset.</td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC">1</td><td align="CENTER"><a name="ADC_START"></a><b>ADC_START</b><font size="-2"><br><a href="AT91M55800A_h.html#AT91C_ADC_START">AT91C_ADC_START</a></font></td><td><b>Start Conversion</b><br>0 = No effect.<br>1 = Begins analog-to-digital conversion and clears all EOC bits.</td></tr>
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<a name="ADC_MR"></a><h4><a href="#ADC">ADC</a>: <i><a href="AT91M55800A_h.html#AT91_REG">AT91_REG</a></i> ADC_MR <i>Mode Register</i></h4><ul><null><font size="-2"><li><b>ADC1</b> <i><a href="AT91M55800A_h.html#AT91C_ADC1_MR">AT91C_ADC1_MR</a></i> 0xFFFB4004</font><font size="-2"><li><b>ADC0</b> <i><a href="AT91M55800A_h.html#AT91C_ADC0_MR">AT91C_ADC0_MR</a></i> 0xFFFB0004</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="ADC_TRGEN"></a><b>ADC_TRGEN</b><font size="-2"><br><a href="AT91M55800A_h.html#AT91C_ADC_TRGEN">AT91C_ADC_TRGEN</a></font></td><td><b>Trigger Enable</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="ADC_TRGEN_DIS"></a><b>ADC_TRGEN_DIS</b><font size="-1"><br><a href="AT91M55800A_h.html#AT91C_ADC_TRGEN_DIS">AT91C_ADC_TRGEN_DIS</a></font></td><td><br>Hradware triggers are disabled. Starting a conversion is only possible by software</td></tr>
<tr><td align="CENTER">1</td><td align="CENTER"><a name="ADC_TRGEN_EN"></a><b>ADC_TRGEN_EN</b><font size="-1"><br><a href="AT91M55800A_h.html#AT91C_ADC_TRGEN_EN">AT91C_ADC_TRGEN_EN</a></font></td><td><br>Hardware trigger selected by TRGSEL field is enabled.</td></tr>
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