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<h1>Advanced Interrupt Controller Peripheral</h1>
<null><a name="AIC"></a><b>AIC</b> <i><font size="-1">(<a href="AT91SAM7S64_h.html#AT91S_AIC">AT91S_AIC</a>)</font></i><b> 0xFFFFF000 </b><i><font size="-1">(<a href="AT91SAM7S64_h.html#AT91C_BASE_AIC">AT91C_BASE_AIC</a>)</font></i>
<table border=1 cellpadding=3 cellspacing=0><null><th bgcolor="#FFFFCC"><font size="-1">Periph ID <a href="AT91SAM7S64_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>0</b> </font></td><td><font size="-1"><i><font size="-1">(<a href="AT91SAM7S64_h.html#AT91C_ID_FIQ">AT91C_ID_FIQ</a>)</font></i></font></td><td><font size="-1">Advanced Interrupt Controller (FIQ)</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b>30</b> </font></td><td><font size="-1"><i><font size="-1">(<a href="AT91SAM7S64_h.html#AT91C_ID_IRQ0">AT91C_ID_IRQ0</a>)</font></i></font></td><td><font size="-1">Advanced Interrupt Controller (IRQ0)</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b>31</b> </font></td><td><font size="-1"><i><font size="-1">(<a href="AT91SAM7S64_h.html#AT91C_ID_IRQ1">AT91C_ID_IRQ1</a>)</font></i></font></td><td><font size="-1">Advanced Interrupt Controller (IRQ1)</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>IRQ1</b></font></td><td><font size="-1"><i><font size="-1">(<a href="#AT91C_PA30_IRQ1 ">AT91C_PA30_IRQ1 </a>)</font></i></font></td><td><font size="-1"><a href="#PIOA">PIOA</a> Periph: A Bit: 30</font></td><td><font size="-1">External Interrupt 1</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b>IRQ0</b></font></td><td><font size="-1"><i><font size="-1">(<a href="#AT91C_PA20_IRQ0 ">AT91C_PA20_IRQ0 </a>)</font></i></font></td><td><font size="-1"><a href="#PIOA">PIOA</a> Periph: B Bit: 20</font></td><td><font size="-1">External Interrupt 0</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b>FIQ</b></font></td><td><font size="-1"><i><font size="-1">(<a href="#AT91C_PA19_FIQ ">AT91C_PA19_FIQ </a>)</font></i></font></td><td><font size="-1"><a href="#PIOA">PIOA</a> Periph: B Bit: 19</font></td><td><font size="-1">AIC Fast Interrupt Input</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_AT91SAM7S64_h.html#AT91F_AIC_CfgPIO">AT91F_AIC_CfgPIO</a></b></font></td><td><font size="-1">Configure PIO controllers to drive AIC signals</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b><a href="lib_AT91SAM7S64_h.html#AT91F_AIC_CfgPMC">AT91F_AIC_CfgPMC</a></b></font></td><td><font size="-1">Enable Peripheral clock in PMC for AIC</font></td></tr>
</null></table><br><br></null><a name="AIC"></a><h2>AIC Software API <i><font size="-1">(<a href="AT91SAM7S64_h.html#AT91S_AIC">AT91S_AIC</a>)</font></i></h2>
<a name="AIC"></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">AIC_SMR[32] (<a href="AT91SAM7S64_AIC.html#AIC_SMR">AIC_SMR</a>)</font></td><td><font size="-1">Source Mode Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x80</b></font></td><td><font size="-1">AIC_SVR[32] (<a href="AT91SAM7S64_AIC.html#AIC_SVR">AIC_SVR</a>)</font></td><td><font size="-1">Source Vector Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x100</b></font></td><td><font size="-1"><a href="AT91SAM7S64_AIC.html#AIC_IVR">AIC_IVR</a></font></td><td><font size="-1">IRQ Vector Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x104</b></font></td><td><font size="-1"><a href="AT91SAM7S64_AIC.html#AIC_FVR">AIC_FVR</a></font></td><td><font size="-1">FIQ Vector Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x108</b></font></td><td><font size="-1"><a href="AT91SAM7S64_AIC.html#AIC_ISR">AIC_ISR</a></font></td><td><font size="-1">Interrupt Status Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x10C</b></font></td><td><font size="-1"><a href="AT91SAM7S64_AIC.html#AIC_IPR">AIC_IPR</a></font></td><td><font size="-1">Interrupt Pending Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x110</b></font></td><td><font size="-1"><a href="AT91SAM7S64_AIC.html#AIC_IMR">AIC_IMR</a></font></td><td><font size="-1">Interrupt Mask Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x114</b></font></td><td><font size="-1"><a href="AT91SAM7S64_AIC.html#AIC_CISR">AIC_CISR</a></font></td><td><font size="-1">Core Interrupt Status Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x120</b></font></td><td><font size="-1"><a href="AT91SAM7S64_AIC.html#AIC_IECR">AIC_IECR</a></font></td><td><font size="-1">Interrupt Enable Command Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x124</b></font></td><td><font size="-1"><a href="AT91SAM7S64_AIC.html#AIC_IDCR">AIC_IDCR</a></font></td><td><font size="-1">Interrupt Disable Command Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x128</b></font></td><td><font size="-1"><a href="AT91SAM7S64_AIC.html#AIC_ICCR">AIC_ICCR</a></font></td><td><font size="-1">Interrupt Clear Command Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x12C</b></font></td><td><font size="-1"><a href="AT91SAM7S64_AIC.html#AIC_ISCR">AIC_ISCR</a></font></td><td><font size="-1">Interrupt Set Command Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x130</b></font></td><td><font size="-1"><a href="AT91SAM7S64_AIC.html#AIC_EOICR">AIC_EOICR</a></font></td><td><font size="-1">End of Interrupt Command Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x134</b></font></td><td><font size="-1"><a href="AT91SAM7S64_AIC.html#AIC_SPU">AIC_SPU</a></font></td><td><font size="-1">Spurious Vector Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x138</b></font></td><td><font size="-1"><a href="AT91SAM7S64_AIC.html#AIC_DCR">AIC_DCR</a></font></td><td><font size="-1">Debug Control Register (Protect)</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x140</b></font></td><td><font size="-1"><a href="AT91SAM7S64_AIC.html#AIC_FFER">AIC_FFER</a></font></td><td><font size="-1">Fast Forcing Enable Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x144</b></font></td><td><font size="-1"><a href="AT91SAM7S64_AIC.html#AIC_FFDR">AIC_FFDR</a></font></td><td><font size="-1">Fast Forcing Disable Register</font></td></tr>
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