/ Cortex-M7 incorporates the <b>Instrumented Trace Macrocell (ITM)</b> that provides together with the <b>Serial Wire Output (SWO)</b> trace capabilities for the microcontroller system. The ITM has 32 communication channels; two ITM communication channels are used by CMSIS to output the following information:</p>
<ul>
<li><b>ITM Channel 0</b>: implements the <a class="el" href="group__ITM__Debug__gr.html#gaaa7c716331f74d644bf6bf25cd3392d1">ITM_SendChar</a> function which can be used for printf-style output 