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<h1>Multimedia Card Interface Peripheral</h1>
<null><a name="MCI"></a><b>MCI</b> <i><font size="-1">(<a href="AT91SAM7A3_h.html#AT91S_MCI">AT91S_MCI</a>)</font></i><b> 0xFFFAC000 </b><i><font size="-1">(<a href="AT91SAM7A3_h.html#AT91C_BASE_MCI">AT91C_BASE_MCI</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>9</b> </font></td><td><font size="-1"><i><font size="-1">(<a href="AT91SAM7A3_h.html#AT91C_ID_MCI">AT91C_ID_MCI</a>)</font></i></font></td><td><font size="-1">Multimedia Card Interface</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>MCDA1</b></font></td><td><font size="-1"><i><font size="-1">(<a href="#AT91C_PA12_MCDA1 ">AT91C_PA12_MCDA1 </a>)</font></i></font></td><td><font size="-1"><a href="#PIOA">PIOA</a> Periph: B Bit: 12</font></td><td><font size="-1">Multimedia Card A Data 1</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b>MCCK</b></font></td><td><font size="-1"><i><font size="-1">(<a href="#AT91C_PA17_MCCK ">AT91C_PA17_MCCK </a>)</font></i></font></td><td><font size="-1"><a href="#PIOA">PIOA</a> Periph: B Bit: 17</font></td><td><font size="-1">Multimedia Card Clock</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b>MCDA3</b></font></td><td><font size="-1"><i><font size="-1">(<a href="#AT91C_PA14_MCDA3 ">AT91C_PA14_MCDA3 </a>)</font></i></font></td><td><font size="-1"><a href="#PIOA">PIOA</a> Periph: B Bit: 14</font></td><td><font size="-1">Multimedia Card A Data 3</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b>MCDA0</b></font></td><td><font size="-1"><i><font size="-1">(<a href="#AT91C_PA15_MCDA0 ">AT91C_PA15_MCDA0 </a>)</font></i></font></td><td><font size="-1"><a href="#PIOA">PIOA</a> Periph: B Bit: 15</font></td><td><font size="-1">Multimedia Card A Data 0</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b>MCDA2</b></font></td><td><font size="-1"><i><font size="-1">(<a href="#AT91C_PA13_MCDA2 ">AT91C_PA13_MCDA2 </a>)</font></i></font></td><td><font size="-1"><a href="#PIOA">PIOA</a> Periph: B Bit: 13</font></td><td><font size="-1">Multimedia Card A Data 2</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b>MCCDA</b></font></td><td><font size="-1"><i><font size="-1">(<a href="#AT91C_PA16_MCCDA ">AT91C_PA16_MCCDA </a>)</font></i></font></td><td><font size="-1"><a href="#PIOA">PIOA</a> Periph: B Bit: 16</font></td><td><font size="-1">Multimedia Card A Command</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_AT91SAM7A3_h.html#AT91F_MCI_CfgPMC">AT91F_MCI_CfgPMC</a></b></font></td><td><font size="-1">Enable Peripheral clock in PMC for MCI</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b><a href="lib_AT91SAM7A3_h.html#AT91F_MCI_CfgPIO">AT91F_MCI_CfgPIO</a></b></font></td><td><font size="-1">Configure PIO controllers to drive MCI signals</font></td></tr>
</null></table><br><br></null><a name="MCI"></a><h2>MCI Software API <i><font size="-1">(<a href="AT91SAM7A3_h.html#AT91S_MCI">AT91S_MCI</a>)</font></i></h2>
<a name="MCI"></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="AT91SAM7A3_MCI.html#MCI_CR">MCI_CR</a></font></td><td><font size="-1">MCI 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="AT91SAM7A3_MCI.html#MCI_MR">MCI_MR</a></font></td><td><font size="-1">MCI Mode Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x8</b></font></td><td><font size="-1"><a href="AT91SAM7A3_MCI.html#MCI_DTOR">MCI_DTOR</a></font></td><td><font size="-1">MCI Data Timeout Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0xC</b></font></td><td><font size="-1"><a href="AT91SAM7A3_MCI.html#MCI_SDCR">MCI_SDCR</a></font></td><td><font size="-1">MCI SD Card Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x10</b></font></td><td><font size="-1"><a href="AT91SAM7A3_MCI.html#MCI_ARGR">MCI_ARGR</a></font></td><td><font size="-1">MCI Argument Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x14</b></font></td><td><font size="-1"><a href="AT91SAM7A3_MCI.html#MCI_CMDR">MCI_CMDR</a></font></td><td><font size="-1">MCI Command Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x20</b></font></td><td><font size="-1">MCI_RSPR[4] (<a href="AT91SAM7A3_MCI.html#MCI_RSPR">MCI_RSPR</a>)</font></td><td><font size="-1">MCI Response Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x30</b></font></td><td><font size="-1"><a href="AT91SAM7A3_MCI.html#MCI_RDR">MCI_RDR</a></font></td><td><font size="-1">MCI Receive 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="AT91SAM7A3_MCI.html#MCI_TDR">MCI_TDR</a></font></td><td><font size="-1">MCI Transmit Data Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x40</b></font></td><td><font size="-1"><a href="AT91SAM7A3_MCI.html#MCI_SR">MCI_SR</a></font></td><td><font size="-1">MCI Status Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x44</b></font></td><td><font size="-1"><a href="AT91SAM7A3_MCI.html#MCI_IER">MCI_IER</a></font></td><td><font size="-1">MCI Interrupt Enable Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x48</b></font></td><td><font size="-1"><a href="AT91SAM7A3_MCI.html#MCI_IDR">MCI_IDR</a></font></td><td><font size="-1">MCI Interrupt Disable Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x4C</b></font></td><td><font size="-1"><a href="AT91SAM7A3_MCI.html#MCI_IMR">MCI_IMR</a></font></td><td><font size="-1">MCI Interrupt Mask Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x100</b></font></td><td><font size="-1">MCI_RPR (<a href="#PDC_RPR">PDC_RPR</a>)</font></td><td><font size="-1">Receive Pointer Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x104</b></font></td><td><font size="-1">MCI_RCR (<a href="#PDC_RCR">PDC_RCR</a>)</font></td><td><font size="-1">Receive Counter Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x108</b></font></td><td><font size="-1">MCI_TPR (<a href="#PDC_TPR">PDC_TPR</a>)</font></td><td><font size="-1">Transmit Pointer Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x10C</b></font></td><td><font size="-1">MCI_TCR (<a href="#PDC_TCR">PDC_TCR</a>)</font></td><td><font size="-1">Transmit Counter Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x110</b></font></td><td><font size="-1">MCI_RNPR (<a href="#PDC_RNPR">PDC_RNPR</a>)</font></td><td><font size="-1">Receive Next Pointer Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x114</b></font></td><td><font size="-1">MCI_RNCR (<a href="#PDC_RNCR">PDC_RNCR</a>)</font></td><td><font size="-1">Receive Next Counter Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x118</b></font></td><td><font size="-1">MCI_TNPR (<a href="#PDC_TNPR">PDC_TNPR</a>)</font></td><td><font size="-1">Transmit Next Pointer Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x11C</b></font></td><td><font size="-1">MCI_TNCR (<a href="#PDC_TNCR">PDC_TNCR</a>)</font></td><td><font size="-1">Transmit Next Counter Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x120</b></font></td><td><font size="-1">MCI_PTCR (<a href="#PDC_PTCR">PDC_PTCR</a>)</font></td><td><font size="-1">PDC Transfer Control Register</font></td></tr>
<tr><td align="CENTER" bgcolor="#FFFFCC"><font size="-1"><b>0x124</b></font></td><td><font size="-1">MCI_PTSR (<a href="#PDC_PTSR">PDC_PTSR</a>)</font></td><td><font size="-1">PDC Transfer 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_AT91SAM7A3_h.html#AT91F_MCI_Enable">AT91F_MCI_Enable</a></b></font></td><td><font size="-1">Enable the MCI Interface</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b><a href="lib_AT91SAM7A3_h.html#AT91F_MCI_IsStatusSet">AT91F_MCI_IsStatusSet</a></b></font></td><td><font size="-1">Test if MCI Status is Set</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b><a href="lib_AT91SAM7A3_h.html#AT91F_MCI_IsInterruptMasked">AT91F_MCI_IsInterruptMasked</a></b></font></td><td><font size="-1">Test if MCI Interrupt is Masked </font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b><a href="lib_AT91SAM7A3_h.html#AT91F_MCI_GetRSP1Reg">AT91F_MCI_GetRSP1Reg</a></b></font></td><td><font size="-1">Return the RESPONSE Register 1 of the MCI controller value</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b><a href="lib_AT91SAM7A3_h.html#AT91F_MCI_GetARGReg">AT91F_MCI_GetARGReg</a></b></font></td><td><font size="-1">Return the Command ARGUMENT Register of the MCI controller value</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b><a href="lib_AT91SAM7A3_h.html#AT91F_MCI_GetInterruptMaskStatus">AT91F_MCI_GetInterruptMaskStatus</a></b></font></td><td><font size="-1">Return MCI Interrupt Mask Status</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b><a href="lib_AT91SAM7A3_h.html#AT91F_MCI_GetRSP2Reg">AT91F_MCI_GetRSP2Reg</a></b></font></td><td><font size="-1">Return the RESPONSE Register 2 of the MCI controller value</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b><a href="lib_AT91SAM7A3_h.html#AT91F_MCI_GetModeReg">AT91F_MCI_GetModeReg</a></b></font></td><td><font size="-1">Return the Mode Register of the MCI controller value</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b><a href="lib_AT91SAM7A3_h.html#AT91F_MCI_CfgDataTimeOutReg">AT91F_MCI_CfgDataTimeOutReg</a></b></font></td><td><font size="-1">Configure the Data TimeOut Register of the MCI controller</font></td></tr>
<tr><td bgcolor="#FFFFCC"><font size="-1"><b><a href="lib_AT91SAM7A3_h.html#AT91F_MCI_Disable">AT91F_MCI_Disable</a></b></font></td><td><font size="-1">Disable the MCI Interface</font></td></tr>
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