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<h1>Ethernet MAC Peripheral</h1>
<null><a name="EMAC"></a><b>EMAC</b> <i><font size="-1">(<a href="AT91RM9200_h.html#AT91S_EMAC">AT91S_EMAC</a>)</font></i><b> 0xFFFBC000 </b><i><font size="-1">(<a href="AT91RM9200_h.html#AT91C_BASE_EMAC">AT91C_BASE_EMAC</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>24</b> </font></td><td><font size="-1"><i><font size="-1">(<a href="AT91RM9200_h.html#AT91C_ID_EMAC">AT91C_ID_EMAC</a>)</font></i></font></td><td><font size="-1">Ethernet MAC</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>ERXER</b></font></td><td><font size="-1"><i><font size="-1">(<a href="#AT91C_PA14_ERXER ">AT91C_PA14_ERXER </a>)</font></i></font></td><td><font size="-1"><a href="#PIOA">PIOA</a> Periph: A Bit: 14</font></td><td><font size="-1">Ethernet MAC Receive Error</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b>ERX0</b></font></td><td><font size="-1"><i><font size="-1">(<a href="#AT91C_PA12_ERX0 ">AT91C_PA12_ERX0 </a>)</font></i></font></td><td><font size="-1"><a href="#PIOA">PIOA</a> Periph: A Bit: 12</font></td><td><font size="-1">Ethernet MAC Receive Data 0</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b>ERX1</b></font></td><td><font size="-1"><i><font size="-1">(<a href="#AT91C_PA13_ERX1 ">AT91C_PA13_ERX1 </a>)</font></i></font></td><td><font size="-1"><a href="#PIOA">PIOA</a> Periph: A Bit: 13</font></td><td><font size="-1">Ethernet MAC Receive Data 1</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b>ETXEN</b></font></td><td><font size="-1"><i><font size="-1">(<a href="#AT91C_PA8_ETXEN ">AT91C_PA8_ETXEN </a>)</font></i></font></td><td><font size="-1"><a href="#PIOA">PIOA</a> Periph: A Bit: 8</font></td><td><font size="-1">Ethernet MAC Transmit Enable</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b>EMDIO</b></font></td><td><font size="-1"><i><font size="-1">(<a href="#AT91C_PA16_EMDIO ">AT91C_PA16_EMDIO </a>)</font></i></font></td><td><font size="-1"><a href="#PIOA">PIOA</a> Periph: A Bit: 16</font></td><td><font size="-1">Ethernet MAC Management Data Input/Output</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b>ETX0</b></font></td><td><font size="-1"><i><font size="-1">(<a href="#AT91C_PA9_ETX0 ">AT91C_PA9_ETX0 </a>)</font></i></font></td><td><font size="-1"><a href="#PIOA">PIOA</a> Periph: A Bit: 9</font></td><td><font size="-1">Ethernet MAC Transmit Data 0</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b>ETX1</b></font></td><td><font size="-1"><i><font size="-1">(<a href="#AT91C_PA10_ETX1 ">AT91C_PA10_ETX1 </a>)</font></i></font></td><td><font size="-1"><a href="#PIOA">PIOA</a> Periph: A Bit: 10</font></td><td><font size="-1">Ethernet MAC Transmit Data 1</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b>ECRS_ECRSDV</b></font></td><td><font size="-1"><i><font size="-1">(<a href="AT91RM9200_h.html#AT91C_PA11_ECRS_ECRSDV">AT91C_PA11_ECRS_ECRSDV</a>)</font></i></font></td><td><font size="-1"><a href="#PIOA">PIOA</a> Periph: A Bit: 11</font></td><td><font size="-1">Ethernet MAC Carrier Sense/Carrier Sense and Data Valid</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b>EMDC</b></font></td><td><font size="-1"><i><font size="-1">(<a href="#AT91C_PA15_EMDC ">AT91C_PA15_EMDC </a>)</font></i></font></td><td><font size="-1"><a href="#PIOA">PIOA</a> Periph: A Bit: 15</font></td><td><font size="-1">Ethernet MAC Management Data Clock</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b>ETXCK_EREFCK</b></font></td><td><font size="-1"><i><font size="-1">(<a href="AT91RM9200_h.html#AT91C_PA7_ETXCK_EREFCK">AT91C_PA7_ETXCK_EREFCK</a>)</font></i></font></td><td><font size="-1"><a href="#PIOA">PIOA</a> Periph: A Bit: 7</font></td><td><font size="-1">Ethernet MAC Transmit Clock/Reference Clock</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_AT91RM9200_h.html#AT91F_EMAC_CfgPIO">AT91F_EMAC_CfgPIO</a></b></font></td><td><font size="-1">Configure PIO controllers to drive EMAC signals</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b><a href="lib_AT91RM9200_h.html#AT91F_EMAC_CfgPMC">AT91F_EMAC_CfgPMC</a></b></font></td><td><font size="-1">Enable Peripheral clock in PMC for EMAC</font></td></tr>
</null></table><br><br></null><a name="EMAC"></a><h2>EMAC Software API <i><font size="-1">(<a href="AT91RM9200_h.html#AT91S_EMAC">AT91S_EMAC</a>)</font></i></h2>
<a name="EMAC"></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="AT91RM9200_EMAC.html#EMAC_CTL">EMAC_CTL</a></font></td><td><font size="-1">Network Control Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x4</b></font></td><td><font size="-1"><a href="AT91RM9200_EMAC.html#EMAC_CFG">EMAC_CFG</a></font></td><td><font size="-1">Network Configuration Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x8</b></font></td><td><font size="-1"><a href="AT91RM9200_EMAC.html#EMAC_SR">EMAC_SR</a></font></td><td><font size="-1">Network Status Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0xC</b></font></td><td><font size="-1"><a href="AT91RM9200_EMAC.html#EMAC_TAR">EMAC_TAR</a></font></td><td><font size="-1">Transmit Address Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x10</b></font></td><td><font size="-1"><a href="AT91RM9200_EMAC.html#EMAC_TCR">EMAC_TCR</a></font></td><td><font size="-1">Transmit Control Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x14</b></font></td><td><font size="-1"><a href="AT91RM9200_EMAC.html#EMAC_TSR">EMAC_TSR</a></font></td><td><font size="-1">Transmit Status Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x18</b></font></td><td><font size="-1"><a href="AT91RM9200_EMAC.html#EMAC_RBQP">EMAC_RBQP</a></font></td><td><font size="-1">Receive Buffer Queue Pointer</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x20</b></font></td><td><font size="-1"><a href="AT91RM9200_EMAC.html#EMAC_RSR">EMAC_RSR</a></font></td><td><font size="-1">Receive Status Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x24</b></font></td><td><font size="-1"><a href="AT91RM9200_EMAC.html#EMAC_ISR">EMAC_ISR</a></font></td><td><font size="-1">Interrupt Status Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x28</b></font></td><td><font size="-1"><a href="AT91RM9200_EMAC.html#EMAC_IER">EMAC_IER</a></font></td><td><font size="-1">Interrupt Enable Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x2C</b></font></td><td><font size="-1"><a href="AT91RM9200_EMAC.html#EMAC_IDR">EMAC_IDR</a></font></td><td><font size="-1">Interrupt Disable Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x30</b></font></td><td><font size="-1"><a href="AT91RM9200_EMAC.html#EMAC_IMR">EMAC_IMR</a></font></td><td><font size="-1">Interrupt Mask Register</font></td></tr>
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