e peripherals, initialize the Flash interface and
the systick. Then the SystemClock_Config() function is used to configure
the system clock (SYSCLK) to run at 250 MHz.</p>
<p>After Reset, the Flash memory Program/Erase Controller is locked. A
dedicated function is used to enable the FLASH control register access.
Before programming the desired addresses, an erase operation is
performed using the flash erase sector feature. The erase procedure is
done by filling the erase init structure giving the starting e