ftware.</li>
<li>It configures the Tamper 1 pin and enables the Tamper 1 interrupt.</li>
<li>It writes a data to a RTC Backup register, then check if the data is correctly written.</li>
<li>USER Button is linked To Tamper 1 pin (PC13). Please press it to generate a tamper detection.</li>
<li>The RTC backup register is reset and the Tamper interrupt is generated. The firmware then checks if the RTC Backup register is cleared.</li>
<li>LED2 turns ON, Test is OK. LED2 blinks, Test is KO.</li>
</ol>
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