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<h1>External Bus Interface Peripheral</h1>
<null><a name="EBI"></a><b>EBI</b> <i><font size="-1">(<a href="AT91SAM7SE512_h.html#AT91S_EBI">AT91S_EBI</a>)</font></i><b> 0xFFFFFF80 </b><i><font size="-1">(<a href="AT91SAM7SE512_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>A24</b></font></td><td><font size="-1"><i><font size="-1">(<a href="#AT91C_PC22_A24 ">AT91C_PC22_A24 </a>)</font></i></font></td><td><font size="-1"><a href="#PIOC">PIOC</a> Periph: A Bit: 22</font></td><td><font size="-1"></font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b>NCS3_NANDCS</b></font></td><td><font size="-1"><i><font size="-1">(<a href="AT91SAM7SE512_h.html#AT91C_PC15_NCS3_NANDCS">AT91C_PC15_NCS3_NANDCS</a>)</font></i></font></td><td><font size="-1"><a href="#PIOC">PIOC</a> Periph: B Bit: 15</font></td><td><font size="-1"></font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b>D10</b></font></td><td><font size="-1"><i><font size="-1">(<a href="#AT91C_PC10_D10 ">AT91C_PC10_D10 </a>)</font></i></font></td><td><font size="-1"><a href="#PIOC">PIOC</a> Periph: A Bit: 10</font></td><td><font size="-1"></font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b>D11</b></font></td><td><font size="-1"><i><font size="-1">(<a href="#AT91C_PC11_D11 ">AT91C_PC11_D11 </a>)</font></i></font></td><td><font size="-1"><a href="#PIOC">PIOC</a> Periph: A Bit: 11</font></td><td><font size="-1"></font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b>D12</b></font></td><td><font size="-1"><i><font size="-1">(<a href="#AT91C_PC12_D12 ">AT91C_PC12_D12 </a>)</font></i></font></td><td><font size="-1"><a href="#PIOC">PIOC</a> Periph: A Bit: 12</font></td><td><font size="-1"></font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b>D13</b></font></td><td><font size="-1"><i><font size="-1">(<a href="#AT91C_PC13_D13 ">AT91C_PC13_D13 </a>)</font></i></font></td><td><font size="-1"><a href="#PIOC">PIOC</a> Periph: A Bit: 13</font></td><td><font size="-1"></font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b>D14</b></font></td><td><font size="-1"><i><font size="-1">(<a href="#AT91C_PC14_D14 ">AT91C_PC14_D14 </a>)</font></i></font></td><td><font size="-1"><a href="#PIOC">PIOC</a> Periph: A Bit: 14</font></td><td><font size="-1"></font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b>D15</b></font></td><td><font size="-1"><i><font size="-1">(<a href="#AT91C_PC15_D15 ">AT91C_PC15_D15 </a>)</font></i></font></td><td><font size="-1"><a href="#PIOC">PIOC</a> Periph: A Bit: 15</font></td><td><font size="-1"></font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b>D16</b></font></td><td><font size="-1"><i><font size="-1">(<a href="#AT91C_PB18_D16 ">AT91C_PB18_D16 </a>)</font></i></font></td><td><font size="-1"><a href="#PIOB">PIOB</a> Periph: B Bit: 18</font></td><td><font size="-1"></font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b>D17</b></font></td><td><font size="-1"><i><font size="-1">(<a href="#AT91C_PB19_D17 ">AT91C_PB19_D17 </a>)</font></i></font></td><td><font size="-1"><a href="#PIOB">PIOB</a> Periph: B Bit: 19</font></td><td><font size="-1"></font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b>D18</b></font></td><td><font size="-1"><i><font size="-1">(<a href="#AT91C_PB20_D18 ">AT91C_PB20_D18 </a>)</font></i></font></td><td><font size="-1"><a href="#PIOB">PIOB</a> Periph: B Bit: 20</font></td><td><font size="-1"></font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b>D19</b></font></td><td><font size="-1"><i><font size="-1">(<a href="#AT91C_PB21_D19 ">AT91C_PB21_D19 </a>)</font></i></font></td><td><font size="-1"><a href="#PIOB">PIOB</a> Periph: B Bit: 21</font></td><td><font size="-1"></font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b>A1_NBS2</b></font></td><td><font size="-1"><i><font size="-1">(<a href="#AT91C_PA1_A1_NBS2 ">AT91C_PA1_A1_NBS2 </a>)</font></i></font></td><td><font size="-1"><a href="#PIOA">PIOA</a> Periph: B Bit: 1</font></td><td><font size="-1"></font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b>A1_NBS2</b></font></td><td><font size="-1"><i><font size="-1">(<a href="#AT91C_PB1_A1_NBS2 ">AT91C_PB1_A1_NBS2 </a>)</font></i></font></td><td><font size="-1"><a href="#PIOB">PIOB</a> Periph: B Bit: 1</font></td><td><font size="-1"></font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b>NCS2_CFCS1</b></font></td><td><font size="-1"><i><font size="-1">(<a href="AT91SAM7SE512_h.html#AT91C_PA20_NCS2_CFCS1">AT91C_PA20_NCS2_CFCS1</a>)</font></i></font></td><td><font size="-1"><a href="#PIOA">PIOA</a> Periph: B Bit: 20</font></td><td><font size="-1"></font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b>A16_BA0</b></font></td><td><font size="-1"><i><font size="-1">(<a href="#AT91C_PB16_A16_BA0 ">AT91C_PB16_A16_BA0 </a>)</font></i></font></td><td><font size="-1"><a href="#PIOB">PIOB</a> Periph: B Bit: 16</font></td><td><font size="-1"></font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b>A16_BA0</b></font></td><td><font size="-1"><i><font size="-1">(<a href="#AT91C_PA16_A16_BA0 ">AT91C_PA16_A16_BA0 </a>)</font></i></font></td><td><font size="-1"><a href="#PIOA">PIOA</a> Periph: B Bit: 16</font></td><td><font size="-1"></font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b>SDCKE</b></font></td><td><font size="-1"><i><font size="-1">(<a href="#AT91C_PA25_SDCKE ">AT91C_PA25_SDCKE </a>)</font></i></font></td><td><font size="-1"><a href="#PIOA">PIOA</a> Periph: B Bit: 25</font></td><td><font size="-1"></font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b>NBS3_CFIOW</b></font></td><td><font size="-1"><i><font size="-1">(<a href="AT91SAM7SE512_h.html#AT91C_PA18_NBS3_CFIOW">AT91C_PA18_NBS3_CFIOW</a>)</font></i></font></td><td><font size="-1"><a href="#PIOA">PIOA</a> Periph: B Bit: 18</font></td><td><font size="-1"></font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b>A0_NBS0</b></font></td><td><font size="-1"><i><font size="-1">(<a href="#AT91C_PA0_A0_NBS0 ">AT91C_PA0_A0_NBS0 </a>)</font></i></font></td><td><font size="-1"><a href="#PIOA">PIOA</a> Periph: B Bit: 0</font></td><td><font size="-1"></font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b>A0_NBS0</b></font></td><td><font size="-1"><i><font size="-1">(<a href="#AT91C_PB0_A0_NBS0 ">AT91C_PB0_A0_NBS0 </a>)</font></i></font></td><td><font size="-1"><a href="#PIOB">PIOB</a> Periph: B Bit: 0</font></td><td><font size="-1"></font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b>D20</b></font></td><td><font size="-1"><i><font size="-1">(<a href="#AT91C_PB22_D20 ">AT91C_PB22_D20 </a>)</font></i></font></td><td><font size="-1"><a href="#PIOB">PIOB</a> Periph: B Bit: 22</font></td><td><font size="-1"></font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b>D21</b></font></td><td><font size="-1"><i><font size="-1">(<a href="#AT91C_PB23_D21 ">AT91C_PB23_D21 </a>)</font></i></font></td><td><font size="-1"><a href="#PIOB">PIOB</a> Periph: B Bit: 23</font></td><td><font size="-1"></font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b>D22</b></font></td><td><font size="-1"><i><font size="-1">(<a href="#AT91C_PB24_D22 ">AT91C_PB24_D22 </a>)</font></i></font></td><td><font size="-1"><a href="#PIOB">PIOB</a> Periph: B Bit: 24</font></td><td><font size="-1"></font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b>D23</b></font></td><td><font size="-1"><i><font size="-1">(<a href="#AT91C_PB25_D23 ">AT91C_PB25_D23 </a>)</font></i></font></td><td><font size="-1"><a href="#PIOB">PIOB</a> Periph: B Bit: 25</font></td><td><font size="-1"></font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b>D24</b></font></td><td><font size="-1"><i><font size="-1">(<a href="#AT91C_PB26_D24 ">AT91C_PB26_D24 </a>)</font></i></font></td><td><font size="-1"><a href="#PIOB">PIOB</a> Periph: B Bit: 26</font></td><td><font size="-1"></font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b>D25</b></font></td><td><font size="-1"><i><font size="-1">(<a href="#AT91C_PB27_D25 ">AT91C_PB27_D25 </a>)</font></i></font></td><td><font size="-1"><a href="#PIOB">PIOB</a> Periph: B Bit: 27</font></td><td><font size="-1"></font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b>D26</b></font></td><td><font size="-1"><i><font size="-1">(<a href="#AT91C_PB28_D26 ">AT91C_PB28_D26 </a>)</font></i></font></td><td><font size="-1"><a href="#PIOB">PIOB</a> Periph: B Bit: 28</font></td><td><font size="-1"></font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b>NCS5_CFCE1</b></font></td><td><font size="-1"><i><font size="-1">(<a href="AT91SAM7SE512_h.html#AT91C_PA22_NCS5_CFCE1">AT91C_PA22_NCS5_CFCE1</a>)</font></i></font></td><td><font size="-1"><a href="#PIOA">PIOA</a> Periph: B Bit: 22</font></td><td><font size="-1"></font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b>D27</b></font></td><td><font size="-1"><i><font size="-1">(<a href="#AT91C_PB29_D27 ">AT91C_PB29_D27 </a>)</font></i></font></td><td><font size="-1"><a href="#PIOB">PIOB</a> Periph: B Bit: 29</font></td><td><font size="-1"></font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b>D28</b></font></td><td><font size="-1"><i><font size="-1">(<a href="#AT91C_PB30_D28 ">AT91C_PB30_D28 </a>)</font></i></font></td><td><font size="-1"><a href="#PIOB">PIOB</a> Periph: B Bit: 30</font></td><td><font size="-1"></font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b>D29</b></font></td><td><font size="-1"><i><font size="-1">(<a href="#AT91C_PB31_D29 ">AT91C_PB31_D29 </a>)</font></i></font></td><td><font size="-1"><a href="#PIOB">PIOB</a> Periph: B Bit: 31</font></td><td><font size="-1"></font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b>RAS</b></font></td><td><font size="-1"><i><font size="-1">(<a href="#AT91C_PA29_RAS ">AT91C_PA29_RAS </a>)</font></i></font></td><td><font size="-1"><a href="#PIOA">PIOA</a> Periph: B Bit: 29</font></td><td><font size="-1"></font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b>SDWE</b></font></td><td><font size="-1"><i><font size="-1">(<a href="#AT91C_PA27_SDWE ">AT91C_PA27_SDWE </a>)</font></i></font></td><td><font size="-1"><a href="#PIOA">PIOA</a> Periph: B Bit: 27</font></td><td><font size="-1"></font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b>D0</b></font></td><td><font size="-1"><i><font size="-1">(<a href="#AT91C_PC0_D0 ">AT91C_PC0_D0 </a>)</font></i></font></td><td><font size="-1"><a href="#PIOC">PIOC</a> Periph: A Bit: 0</font></td><td><font size="-1"></font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b>D1</b></font></td><td><font size="-1"><i><font size="-1">(<a href="#AT91C_PC1_D1 ">AT91C_PC1_D1 </a>)</font></i></font></td><td><font size="-1"><a href="#PIOC">PIOC</a> Periph: A Bit: 1</font></td><td><font size="-1"></font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b>D2</b></font></td><td><font size="-1"><i><font size="-1">(<a href="#AT91C_PC2_D2 ">AT91C_PC2_D2 </a>)</font></i></font></td><td><font size="-1"><a href="#PIOC">PIOC</a> Periph: A Bit: 2</font></td><td><font size="-1"></font></td></tr>
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