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<h1>Parallel Input Output Controler Peripheral</h1>
<null><a name="PIOA"></a><b>PIOA</b> <i><font size="-1">(<a href="AT91SAM7S64_h.html#AT91S_PIO">AT91S_PIO</a>)</font></i><b> 0xFFFFF400 </b><i><font size="-1">(<a href="AT91SAM7S64_h.html#AT91C_BASE_PIOA">AT91C_BASE_PIOA</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>2</b> </font></td><td><font size="-1"><i><font size="-1">(<a href="AT91SAM7S64_h.html#AT91C_ID_PIOA">AT91C_ID_PIOA</a>)</font></i></font></td><td><font size="-1">Parallel IO Controller</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_PIOA_CfgPMC">AT91F_PIOA_CfgPMC</a></b></font></td><td><font size="-1">Enable Peripheral clock in PMC for PIOA</font></td></tr>
</null></table><br><br></null><a name="PIO"></a><h2>PIO Software API <i><font size="-1">(<a href="AT91SAM7S64_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="AT91SAM7S64_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="AT91SAM7S64_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="AT91SAM7S64_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="AT91SAM7S64_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="AT91SAM7S64_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="AT91SAM7S64_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="AT91SAM7S64_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="AT91SAM7S64_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="AT91SAM7S64_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="AT91SAM7S64_PIO.html#PIO_SODR">PIO_SODR</a></font></td><td><font size="-1">Set Output Data Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x34</b></font></td><td><font size="-1"><a href="AT91SAM7S64_PIO.html#PIO_CODR">PIO_CODR</a></font></td><td><font size="-1">Clear Output Data Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x38</b></font></td><td><font size="-1"><a href="AT91SAM7S64_PIO.html#PIO_ODSR">PIO_ODSR</a></font></td><td><font size="-1">Output Data Status Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x3C</b></font></td><td><font size="-1"><a href="AT91SAM7S64_PIO.html#PIO_PDSR">PIO_PDSR</a></font></td><td><font size="-1">Pin Data Status Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x40</b></font></td><td><font size="-1"><a href="AT91SAM7S64_PIO.html#PIO_IER">PIO_IER</a></font></td><td><font size="-1">Interrupt Enable Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x44</b></font></td><td><font size="-1"><a href="AT91SAM7S64_PIO.html#PIO_IDR">PIO_IDR</a></font></td><td><font size="-1">Interrupt Disable Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x48</b></font></td><td><font size="-1"><a href="AT91SAM7S64_PIO.html#PIO_IMR">PIO_IMR</a></font></td><td><font size="-1">Interrupt Mask Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x4C</b></font></td><td><font size="-1"><a href="AT91SAM7S64_PIO.html#PIO_ISR">PIO_ISR</a></font></td><td><font size="-1">Interrupt Status Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x50</b></font></td><td><font size="-1"><a href="AT91SAM7S64_PIO.html#PIO_MDER">PIO_MDER</a></font></td><td><font size="-1">Multi-driver Enable Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x54</b></font></td><td><font size="-1"><a href="AT91SAM7S64_PIO.html#PIO_MDDR">PIO_MDDR</a></font></td><td><font size="-1">Multi-driver Disable Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x58</b></font></td><td><font size="-1"><a href="AT91SAM7S64_PIO.html#PIO_MDSR">PIO_MDSR</a></font></td><td><font size="-1">Multi-driver Status Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x60</b></font></td><td><font size="-1"><a href="AT91SAM7S64_PIO.html#PIO_PPUDR">PIO_PPUDR</a></font></td><td><font size="-1">Pull-up Disable Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x64</b></font></td><td><font size="-1"><a href="AT91SAM7S64_PIO.html#PIO_PPUER">PIO_PPUER</a></font></td><td><font size="-1">Pull-up Enable Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x68</b></font></td><td><font size="-1"><a href="AT91SAM7S64_PIO.html#PIO_PPUSR">PIO_PPUSR</a></font></td><td><font size="-1">Pull-up Status Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x70</b></font></td><td><font size="-1"><a href="AT91SAM7S64_PIO.html#PIO_ASR">PIO_ASR</a></font></td><td><font size="-1">Select A Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x74</b></font></td><td><font size="-1"><a href="AT91SAM7S64_PIO.html#PIO_BSR">PIO_BSR</a></font></td><td><font size="-1">Select B Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x78</b></font></td><td><font size="-1"><a href="AT91SAM7S64_PIO.html#PIO_ABSR">PIO_ABSR</a></font></td><td><font size="-1">AB Select Status Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0xA0</b></font></td><td><font size="-1"><a href="AT91SAM7S64_PIO.html#PIO_OWER">PIO_OWER</a></font></td><td><font size="-1">Output Write Enable Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0xA4</b></font></td><td><font size="-1"><a href="AT91SAM7S64_PIO.html#PIO_OWDR">PIO_OWDR</a></font></td><td><font size="-1">Output Write Disable Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0xA8</b></font></td><td><font size="-1"><a href="AT91SAM7S64_PIO.html#PIO_OWSR">PIO_OWSR</a></font></td><td><font size="-1">Output Write Status Register</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_PIO_SetOutput">AT91F_PIO_SetOutput</a></b></font></td><td><font size="-1">Set to 1 output PIO</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b><a href="lib_AT91SAM7S64_h.html#AT91F_PIO_CfgOpendrain">AT91F_PIO_CfgOpendrain</a></b></font></td><td><font size="-1">Configure PIO in open drain</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b><a href="lib_AT91SAM7S64_h.html#AT91F_PIO_GetOutputDataStatus">AT91F_PIO_GetOutputDataStatus</a></b></font></td><td><font size="-1">Return PIO Output Data Status </font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b><a href="lib_AT91SAM7S64_h.html#AT91F_PIO_B_RegisterSelection">AT91F_PIO_B_RegisterSelection</a></b></font></td><td><font size="-1">PIO B Register Selection </font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b><a href="lib_AT91SAM7S64_h.html#AT91F_PIO_ClearOutput">AT91F_PIO_ClearOutput</a></b></font></td><td><font size="-1">Set to 0 output PIO</font></td></tr>
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