Fix H7 HSE_VALUE.
* (when HSE is used as system clock source, directly or through the PLL).
*/
#if !defined (HSE_VALUE)
-#define HSE_VALUE ((uint32_t)25000000) /*!< Value of the External oscillator in Hz */
+#define HSE_VALUE ((uint32_t)12000000) /*!< Value of the External oscillator in Hz */
#endif /* HSE_VALUE */
#if !defined (HSE_STARTUP_TIMEOUT)
