fragment"><div class="line"><span class="comment">// &lt;e.4&gt;Serial Number</span></div>
<div class="line"><span class="comment">// &lt;i&gt;Enable Serial Number String.</span></div>
<div class="line"><span class="comment">// &lt;i&gt;If disabled, Serial Number String will not be assigned to USB Device.</span></div>
<div class="line"><span class="preprocessor">#define USBD0_STR_DESC_SER_EN           1</span></div>
</div><!-- fragment --> The example creates the heading <span class="XML-Token">Serial Numbe