. SVC functions are called by executing the SVC instruction. When executing SVC instructions, the controller changes to the Privileged Handler Mode.</p>
<p>Interrupts are <b>not disabled</b> in this mode. To protect SVC function from interrupts, you need to include the disable/enable intrinsic functions <b>__disable_irq()</b> and <b>__enable_irq()</b> in your code.</p>
<p>You can use SVC functions to access <b>protected</b> <b>peripherals</b>, for example, to configure NVIC and interrupts. This is required 