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<a name="details" id="details"></a><h2 class="groupheader">Description</h2>
<p>Specify the data bus width. </p>
<p>The function <a class="el" href="group__mci__interface__gr.html#gaec0506a2aa4ae75cf6bc02528f36fe30">ARM_MCI_Control</a> with <em>control</em> = <a class="el" href="group__mci__mode__ctrls.html#ga876d964d0eeacdb16e93f7558a544587">ARM_MCI_BUS_DATA_WIDTH</a> specifies with <em>arg</em> the number of data I/O pins on the SD/MMC interface.