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<h1>External Bus Interface Peripheral</h1>
<null><a name="EBI"></a><b>EBI</b> <i><font size="-1">(<a href="AT91M55800A_h.html#AT91S_EBI">AT91S_EBI</a>)</font></i><b> 0xFFE00000 </b><i><font size="-1">(<a href="AT91M55800A_h.html#AT91C_BASE_EBI">AT91C_BASE_EBI</a>)</font></i>
<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>BMS</b></font></td><td><font size="-1"><i><font size="-1">(<a href="#AT91C_PB18_BMS ">AT91C_PB18_BMS </a>)</font></i></font></td><td><font size="-1"><a href="#PIOB">PIOB</a> Periph: A Bit: 18</font></td><td><font size="-1">Boot Mode Select</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_EBI_CfgPIO">AT91F_EBI_CfgPIO</a></b></font></td><td><font size="-1">Configure PIO controllers to drive EBI signals</font></td></tr>
</null></table><br><br></null><a name="EBI"></a><h2>EBI Software API <i><font size="-1">(<a href="AT91M55800A_h.html#AT91S_EBI">AT91S_EBI</a>)</font></i></h2>
<a name="EBI"></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">EBI_CSR[8] (<a href="AT91M55800A_EBI.html#EBI_CSR">EBI_CSR</a>)</font></td><td><font size="-1">Chip-select 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_EBI.html#EBI_RCR">EBI_RCR</a></font></td><td><font size="-1">Remap Control 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_EBI.html#EBI_MCR">EBI_MCR</a></font></td><td><font size="-1">Memory Control 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_AT91M55800A_h.html#AT91F_EBI_OpenChipSelect">AT91F_EBI_OpenChipSelect</a></b></font></td><td><font size="-1">Open a Chip Select Line</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b><a href="lib_AT91M55800A_h.html#AT91F_EBI_GetChipSelectConfig">AT91F_EBI_GetChipSelectConfig</a></b></font></td><td><font size="-1">Return the Configuration of a Chip Select Line</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b><a href="lib_AT91M55800A_h.html#AT91F_EBI_CloseChipSelect">AT91F_EBI_CloseChipSelect</a></b></font></td><td><font size="-1">Close a Chip Select Line</font></td></tr>
</null></table></null><h2>EBI Register Description</h2>
<null><a name="EBI_CSR"></a><h4><a href="#EBI">EBI</a>: <i><a href="AT91M55800A_h.html#AT91_REG">AT91_REG</a></i> EBI_CSR <i>Chip-select Register</i></h4><ul><null><font size="-2"><li><b>EBI</b> <i><a href="AT91M55800A_h.html#AT91C_EBI_CSR">AT91C_EBI_CSR</a></i> 0xFFE00000</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">1..0</td><td align="CENTER"><a name="EBI_DBW"></a><b>EBI_DBW</b><font size="-2"><br><a href="AT91M55800A_h.html#AT91C_EBI_DBW">AT91C_EBI_DBW</a></font></td><td><b>Data Bus Width</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">1</td><td align="CENTER"><a name="EBI_DBW_16"></a><b>EBI_DBW_16</b><font size="-1"><br><a href="AT91M55800A_h.html#AT91C_EBI_DBW_16">AT91C_EBI_DBW_16</a></font></td><td><br>16-bit data bus width</td></tr>
<tr><td align="CENTER">2</td><td align="CENTER"><a name="EBI_DBW_8"></a><b>EBI_DBW_8</b><font size="-1"><br><a href="AT91M55800A_h.html#AT91C_EBI_DBW_8">AT91C_EBI_DBW_8</a></font></td><td><br>8-bit data bus width</td></tr>
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<tr><td align="CENTER" bgcolor="#FFFFCC">4..2</td><td align="CENTER"><a name="EBI_NWS"></a><b>EBI_NWS</b><font size="-2"><br><a href="AT91M55800A_h.html#AT91C_EBI_NWS">AT91C_EBI_NWS</a></font></td><td><b>Number of wait states</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="EBI_NWS_1"></a><b>EBI_NWS_1</b><font size="-1"><br><a href="AT91M55800A_h.html#AT91C_EBI_NWS_1">AT91C_EBI_NWS_1</a></font></td><td><br>1 wait state</td></tr>
<tr><td align="CENTER">1</td><td align="CENTER"><a name="EBI_NWS_2"></a><b>EBI_NWS_2</b><font size="-1"><br><a href="AT91M55800A_h.html#AT91C_EBI_NWS_2">AT91C_EBI_NWS_2</a></font></td><td><br>2 wait state</td></tr>
<tr><td align="CENTER">2</td><td align="CENTER"><a name="EBI_NWS_3"></a><b>EBI_NWS_3</b><font size="-1"><br><a href="AT91M55800A_h.html#AT91C_EBI_NWS_3">AT91C_EBI_NWS_3</a></font></td><td><br>3 wait state</td></tr>
<tr><td align="CENTER">3</td><td align="CENTER"><a name="EBI_NWS_4"></a><b>EBI_NWS_4</b><font size="-1"><br><a href="AT91M55800A_h.html#AT91C_EBI_NWS_4">AT91C_EBI_NWS_4</a></font></td><td><br>4 wait state</td></tr>
<tr><td align="CENTER">4</td><td align="CENTER"><a name="EBI_NWS_5"></a><b>EBI_NWS_5</b><font size="-1"><br><a href="AT91M55800A_h.html#AT91C_EBI_NWS_5">AT91C_EBI_NWS_5</a></font></td><td><br>5 wait state</td></tr>
<tr><td align="CENTER">5</td><td align="CENTER"><a name="EBI_NWS_6"></a><b>EBI_NWS_6</b><font size="-1"><br><a href="AT91M55800A_h.html#AT91C_EBI_NWS_6">AT91C_EBI_NWS_6</a></font></td><td><br>6 wait state</td></tr>
<tr><td align="CENTER">6</td><td align="CENTER"><a name="EBI_NWS_7"></a><b>EBI_NWS_7</b><font size="-1"><br><a href="AT91M55800A_h.html#AT91C_EBI_NWS_7">AT91C_EBI_NWS_7</a></font></td><td><br>7 wait state</td></tr>
<tr><td align="CENTER">7</td><td align="CENTER"><a name="EBI_NWS_8"></a><b>EBI_NWS_8</b><font size="-1"><br><a href="AT91M55800A_h.html#AT91C_EBI_NWS_8">AT91C_EBI_NWS_8</a></font></td><td><br>8 wait state</td></tr>
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<tr><td align="CENTER" bgcolor="#FFFFCC">5</td><td align="CENTER"><a name="EBI_WSE"></a><b>EBI_WSE</b><font size="-2"><br><a href="AT91M55800A_h.html#AT91C_EBI_WSE">AT91C_EBI_WSE</a></font></td><td><b>Wait State Enable</b><br>0 = Wait state generation is disabled. No wait state are inserted. 1 = Wait state generation is enabled</td></tr>
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