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<title>Hardware API Selector: AT91R40008 Definitions</title>
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<h1>Parallel Input Output Controler Peripheral</h1>
<null><a name="PIO"></a><b>PIO</b> <i><font size="-1">(<a href="AT91R40008_h.html#AT91S_PIO">AT91S_PIO</a>)</font></i><b>  0xFFFF0000 </b><i><font size="-1">(<a href="AT91R40008_h.html#AT91C_BASE_PIO">AT91C_BASE_PIO</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>8</b> </font></td><td><font size="-1"><i><font size="-1">(<a href="AT91R40008_h.html#AT91C_ID_PIO">AT91C_ID_PIO</a>)</font></i></font></td><td><font size="-1">Parallel IO Controller</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>MCKO</b></font></td><td><font size="-1"><i><font size="-1">(<a href="#AT91C_P25_MCKO    ">AT91C_P25_MCKO    </a>)</font></i></font></td><td><font size="-1"><a href="AT91R40008_PIO.html#PIO">PIO</a>  Periph: A Bit: 25</font></td><td><font size="-1">Master Clock Out</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_PIO_CfgPIO">AT91F_PIO_CfgPIO</a></b></font></td><td><font size="-1">Configure PIO controllers to drive PIO signals</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b><a href="lib_AT91R40008_h.html#AT91F_PIO_CfgPS">AT91F_PIO_CfgPS</a></b></font></td><td><font size="-1">Enable Peripheral clock in PS for PIO</font></td></tr>
</null></table><br><br></null><a name="PIO"></a><h2>PIO Software API <i><font size="-1">(<a href="AT91R40008_h.html#AT91S_PIO">AT91S_PIO</a>)</font></i></h2>
<a name="PIO"></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_PIO.html#PIO_PER">PIO_PER</a></font></td><td><font size="-1">PIO Enable 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_PIO.html#PIO_PDR">PIO_PDR</a></font></td><td><font size="-1">PIO Disable Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x8</b></font></td><td><font size="-1"><a href="AT91R40008_PIO.html#PIO_PSR">PIO_PSR</a></font></td><td><font size="-1">PIO Status 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_PIO.html#PIO_OER">PIO_OER</a></font></td><td><font size="-1">Output Enable Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x14</b></font></td><td><font size="-1"><a href="AT91R40008_PIO.html#PIO_ODR">PIO_ODR</a></font></td><td><font size="-1">Output Disable Registerr</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x18</b></font></td><td><font size="-1"><a href="AT91R40008_PIO.html#PIO_OSR">PIO_OSR</a></font></td><td><font size="-1">Output 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="AT91R40008_PIO.html#PIO_IFER">PIO_IFER</a></font></td><td><font size="-1">Input Filter Enable 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_PIO.html#PIO_IFDR">PIO_IFDR</a></font></td><td><font size="-1">Input Filter Disable 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_PIO.html#PIO_IFSR">PIO_IFSR</a></font></td><td><font size="-1">Input Filter Status Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x30</b></font></td><td><font size="-1"><a href="AT91R40008_PIO.html#PIO_SODR">PIO_SODR</a></font></td><td><font size="-1">Set Output Data Register</font></td></tr>
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