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<h1>Serial Parallel Interface Peripheral</h1>
<null><a name="SPI1"></a><b>SPI1</b> <i><font size="-1">(<a href="AT91SAM7X256_h.html#AT91S_SPI">AT91S_SPI</a>)</font></i><b> 0xFFFE4000 </b><i><font size="-1">(<a href="AT91SAM7X256_h.html#AT91C_BASE_SPI1">AT91C_BASE_SPI1</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>5</b> </font></td><td><font size="-1"><i><font size="-1">(<a href="AT91SAM7X256_h.html#AT91C_ID_SPI1">AT91C_ID_SPI1</a>)</font></i></font></td><td><font size="-1">Serial Peripheral Interface 1</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>SPI1_MOSI</b></font></td><td><font size="-1"><i><font size="-1">(<a href="AT91SAM7X256_h.html#AT91C_PA23_SPI1_MOSI">AT91C_PA23_SPI1_MOSI</a>)</font></i></font></td><td><font size="-1"><a href="#PIOA">PIOA</a> Periph: B Bit: 23</font></td><td><font size="-1">SPI 1 Master Out Slave</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b>SPI1_NPCS0</b></font></td><td><font size="-1"><i><font size="-1">(<a href="AT91SAM7X256_h.html#AT91C_PA21_SPI1_NPCS0">AT91C_PA21_SPI1_NPCS0</a>)</font></i></font></td><td><font size="-1"><a href="#PIOA">PIOA</a> Periph: B Bit: 21</font></td><td><font size="-1">SPI 1 Peripheral Chip Select 0</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b>SPI1_NPCS1</b></font></td><td><font size="-1"><i><font size="-1">(<a href="AT91SAM7X256_h.html#AT91C_PA25_SPI1_NPCS1">AT91C_PA25_SPI1_NPCS1</a>)</font></i></font></td><td><font size="-1"><a href="#PIOA">PIOA</a> Periph: B Bit: 25</font></td><td><font size="-1">SPI 1 Peripheral Chip Select 1</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b>SPI1_NPCS1</b></font></td><td><font size="-1"><i><font size="-1">(<a href="AT91SAM7X256_h.html#AT91C_PA2_SPI1_NPCS1">AT91C_PA2_SPI1_NPCS1</a>)</font></i></font></td><td><font size="-1"><a href="#PIOA">PIOA</a> Periph: B Bit: 2</font></td><td><font size="-1">SPI 1 Peripheral Chip Select 1</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b>SPI1_NPCS1</b></font></td><td><font size="-1"><i><font size="-1">(<a href="AT91SAM7X256_h.html#AT91C_PB10_SPI1_NPCS1">AT91C_PB10_SPI1_NPCS1</a>)</font></i></font></td><td><font size="-1"><a href="#PIOB">PIOB</a> Periph: B Bit: 10</font></td><td><font size="-1">SPI 1 Peripheral Chip Select 1</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b>SPI1_MISO</b></font></td><td><font size="-1"><i><font size="-1">(<a href="AT91SAM7X256_h.html#AT91C_PA24_SPI1_MISO">AT91C_PA24_SPI1_MISO</a>)</font></i></font></td><td><font size="-1"><a href="#PIOA">PIOA</a> Periph: B Bit: 24</font></td><td><font size="-1">SPI 1 Master In Slave</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b>SPI1_SPCK</b></font></td><td><font size="-1"><i><font size="-1">(<a href="AT91SAM7X256_h.html#AT91C_PA22_SPI1_SPCK">AT91C_PA22_SPI1_SPCK</a>)</font></i></font></td><td><font size="-1"><a href="#PIOA">PIOA</a> Periph: B Bit: 22</font></td><td><font size="-1">SPI 1 Serial Clock</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b>SPI1_NPCS2</b></font></td><td><font size="-1"><i><font size="-1">(<a href="AT91SAM7X256_h.html#AT91C_PB11_SPI1_NPCS2">AT91C_PB11_SPI1_NPCS2</a>)</font></i></font></td><td><font size="-1"><a href="#PIOB">PIOB</a> Periph: B Bit: 11</font></td><td><font size="-1">SPI 1 Peripheral Chip Select 2</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b>SPI1_NPCS2</b></font></td><td><font size="-1"><i><font size="-1">(<a href="AT91SAM7X256_h.html#AT91C_PA26_SPI1_NPCS2">AT91C_PA26_SPI1_NPCS2</a>)</font></i></font></td><td><font size="-1"><a href="#PIOA">PIOA</a> Periph: B Bit: 26</font></td><td><font size="-1">SPI 1 Peripheral Chip Select 2</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b>SPI1_NPCS2</b></font></td><td><font size="-1"><i><font size="-1">(<a href="AT91SAM7X256_h.html#AT91C_PA3_SPI1_NPCS2">AT91C_PA3_SPI1_NPCS2</a>)</font></i></font></td><td><font size="-1"><a href="#PIOA">PIOA</a> Periph: B Bit: 3</font></td><td><font size="-1">SPI 1 Peripheral Chip Select 2</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b>SPI1_NPCS3</b></font></td><td><font size="-1"><i><font size="-1">(<a href="AT91SAM7X256_h.html#AT91C_PB16_SPI1_NPCS3">AT91C_PB16_SPI1_NPCS3</a>)</font></i></font></td><td><font size="-1"><a href="#PIOB">PIOB</a> Periph: B Bit: 16</font></td><td><font size="-1">SPI 1 Peripheral Chip Select 3</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b>SPI1_NPCS3</b></font></td><td><font size="-1"><i><font size="-1">(<a href="AT91SAM7X256_h.html#AT91C_PA29_SPI1_NPCS3">AT91C_PA29_SPI1_NPCS3</a>)</font></i></font></td><td><font size="-1"><a href="#PIOA">PIOA</a> Periph: B Bit: 29</font></td><td><font size="-1">SPI 1 Peripheral Chip Select 3</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b>SPI1_NPCS3</b></font></td><td><font size="-1"><i><font size="-1">(<a href="AT91SAM7X256_h.html#AT91C_PA4_SPI1_NPCS3">AT91C_PA4_SPI1_NPCS3</a>)</font></i></font></td><td><font size="-1"><a href="#PIOA">PIOA</a> Periph: B Bit: 4</font></td><td><font size="-1">SPI 1 Peripheral Chip Select 3</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_AT91SAM7X256_h.html#AT91F_SPI1_CfgPIO">AT91F_SPI1_CfgPIO</a></b></font></td><td><font size="-1">Configure PIO controllers to drive SPI1 signals</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b><a href="lib_AT91SAM7X256_h.html#AT91F_SPI1_CfgPMC">AT91F_SPI1_CfgPMC</a></b></font></td><td><font size="-1">Enable Peripheral clock in PMC for SPI1</font></td></tr>
</null></table><br><br><a name="SPI0"></a><b>SPI0</b> <i><font size="-1">(<a href="AT91SAM7X256_h.html#AT91S_SPI">AT91S_SPI</a>)</font></i><b> 0xFFFE0000 </b><i><font size="-1">(<a href="AT91SAM7X256_h.html#AT91C_BASE_SPI0">AT91C_BASE_SPI0</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>4</b> </font></td><td><font size="-1"><i><font size="-1">(<a href="AT91SAM7X256_h.html#AT91C_ID_SPI0">AT91C_ID_SPI0</a>)</font></i></font></td><td><font size="-1">Serial Peripheral Interface 0</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>SPI0_MOSI</b></font></td><td><font size="-1"><i><font size="-1">(<a href="AT91SAM7X256_h.html#AT91C_PA17_SPI0_MOSI">AT91C_PA17_SPI0_MOSI</a>)</font></i></font></td><td><font size="-1"><a href="#PIOA">PIOA</a> Periph: A Bit: 17</font></td><td><font size="-1">SPI 0 Master Out Slave</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b>SPI0_NPCS0</b></font></td><td><font size="-1"><i><font size="-1">(<a href="AT91SAM7X256_h.html#AT91C_PA12_SPI0_NPCS0">AT91C_PA12_SPI0_NPCS0</a>)</font></i></font></td><td><font size="-1"><a href="#PIOA">PIOA</a> Periph: A Bit: 12</font></td><td><font size="-1">SPI 0 Peripheral Chip Select 0</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b>SPI0_NPCS1</b></font></td><td><font size="-1"><i><font size="-1">(<a href="AT91SAM7X256_h.html#AT91C_PB13_SPI0_NPCS1">AT91C_PB13_SPI0_NPCS1</a>)</font></i></font></td><td><font size="-1"><a href="#PIOB">PIOB</a> Periph: B Bit: 13</font></td><td><font size="-1">SPI 0 Peripheral Chip Select 1</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b>SPI0_NPCS1</b></font></td><td><font size="-1"><i><font size="-1">(<a href="AT91SAM7X256_h.html#AT91C_PA7_SPI0_NPCS1">AT91C_PA7_SPI0_NPCS1</a>)</font></i></font></td><td><font size="-1"><a href="#PIOA">PIOA</a> Periph: B Bit: 7</font></td><td><font size="-1">SPI 0 Peripheral Chip Select 1</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b>SPI0_NPCS1</b></font></td><td><font size="-1"><i><font size="-1">(<a href="AT91SAM7X256_h.html#AT91C_PA13_SPI0_NPCS1">AT91C_PA13_SPI0_NPCS1</a>)</font></i></font></td><td><font size="-1"><a href="#PIOA">PIOA</a> Periph: A Bit: 13</font></td><td><font size="-1">SPI 0 Peripheral Chip Select 1</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b>SPI0_MISO</b></font></td><td><font size="-1"><i><font size="-1">(<a href="AT91SAM7X256_h.html#AT91C_PA16_SPI0_MISO">AT91C_PA16_SPI0_MISO</a>)</font></i></font></td><td><font size="-1"><a href="#PIOA">PIOA</a> Periph: A Bit: 16</font></td><td><font size="-1">SPI 0 Master In Slave</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b>SPI0_NPCS2</b></font></td><td><font size="-1"><i><font size="-1">(<a href="AT91SAM7X256_h.html#AT91C_PB14_SPI0_NPCS2">AT91C_PB14_SPI0_NPCS2</a>)</font></i></font></td><td><font size="-1"><a href="#PIOB">PIOB</a> Periph: B Bit: 14</font></td><td><font size="-1">SPI 0 Peripheral Chip Select 2</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b>SPI0_NPCS2</b></font></td><td><font size="-1"><i><font size="-1">(<a href="AT91SAM7X256_h.html#AT91C_PA8_SPI0_NPCS2">AT91C_PA8_SPI0_NPCS2</a>)</font></i></font></td><td><font size="-1"><a href="#PIOA">PIOA</a> Periph: B Bit: 8</font></td><td><font size="-1">SPI 0 Peripheral Chip Select 2</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b>SPI0_NPCS2</b></font></td><td><font size="-1"><i><font size="-1">(<a href="AT91SAM7X256_h.html#AT91C_PA14_SPI0_NPCS2">AT91C_PA14_SPI0_NPCS2</a>)</font></i></font></td><td><font size="-1"><a href="#PIOA">PIOA</a> Periph: A Bit: 14</font></td><td><font size="-1">SPI 0 Peripheral Chip Select 2</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b>SPI0_SPCK</b></font></td><td><font size="-1"><i><font size="-1">(<a href="AT91SAM7X256_h.html#AT91C_PA18_SPI0_SPCK">AT91C_PA18_SPI0_SPCK</a>)</font></i></font></td><td><font size="-1"><a href="#PIOA">PIOA</a> Periph: A Bit: 18</font></td><td><font size="-1">SPI 0 Serial Clock</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b>SPI0_NPCS3</b></font></td><td><font size="-1"><i><font size="-1">(<a href="AT91SAM7X256_h.html#AT91C_PB17_SPI0_NPCS3">AT91C_PB17_SPI0_NPCS3</a>)</font></i></font></td><td><font size="-1"><a href="#PIOB">PIOB</a> Periph: B Bit: 17</font></td><td><font size="-1">SPI 0 Peripheral Chip Select 3</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b>SPI0_NPCS3</b></font></td><td><font size="-1"><i><font size="-1">(<a href="AT91SAM7X256_h.html#AT91C_PA9_SPI0_NPCS3">AT91C_PA9_SPI0_NPCS3</a>)</font></i></font></td><td><font size="-1"><a href="#PIOA">PIOA</a> Periph: B Bit: 9</font></td><td><font size="-1">SPI 0 Peripheral Chip Select 3</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b>SPI0_NPCS3</b></font></td><td><font size="-1"><i><font size="-1">(<a href="AT91SAM7X256_h.html#AT91C_PA15_SPI0_NPCS3">AT91C_PA15_SPI0_NPCS3</a>)</font></i></font></td><td><font size="-1"><a href="#PIOA">PIOA</a> Periph: A Bit: 15</font></td><td><font size="-1">SPI 0 Peripheral Chip Select 3</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_AT91SAM7X256_h.html#AT91F_SPI0_CfgPIO">AT91F_SPI0_CfgPIO</a></b></font></td><td><font size="-1">Configure PIO controllers to drive SPI0 signals</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b><a href="lib_AT91SAM7X256_h.html#AT91F_SPI0_CfgPMC">AT91F_SPI0_CfgPMC</a></b></font></td><td><font size="-1">Enable Peripheral clock in PMC for SPI0</font></td></tr>
</null></table><br><br></null><a name="SPI"></a><h2>SPI Software API <i><font size="-1">(<a href="AT91SAM7X256_h.html#AT91S_SPI">AT91S_SPI</a>)</font></i></h2>
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