diff --git a/cores/arduino/stm32/backup.h b/cores/arduino/stm32/backup.h
index 63cf7bb22d..9965f68c79 100644
--- a/cores/arduino/stm32/backup.h
+++ b/cores/arduino/stm32/backup.h
@@ -86,6 +86,10 @@ static inline void enableBackupDomain(void)
/* Enable BKPSRAM CLK for backup SRAM */
__HAL_RCC_BKPSRAM_CLK_ENABLE();
#endif
+#if defined(TAMP_BKP0R) && defined(__HAL_RCC_RTCAPB_CLK_ENABLE)
+ /* Enable RTC CLK for TAMP backup registers */
+ __HAL_RCC_RTCAPB_CLK_ENABLE();
+#endif
}
static inline void disableBackupDomain(void)
@@ -102,6 +106,10 @@ static inline void disableBackupDomain(void)
/* Disable BKP CLK for backup registers */
__HAL_RCC_BKP_CLK_DISABLE();
#endif
+#if defined(TAMP_BKP0R) && defined(__HAL_RCC_RTCAPB_CLK_DISABLE)
+ /* Disable RTC CLK for TAMP backup registers */
+ __HAL_RCC_RTCAPB_CLK_DISABLE();
+#endif
}
static inline void setBackupRegister(uint32_t index, uint32_t value)
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