2026-06-20
STM32 RTC Backup Domain:VBAT, Backup Registers, Tamper Detection, and Wake-Up from Low-Power Modes
STM32 RTC backup domain: configure VBAT-powered RTC calendar, backup registers, tamper detection with timestamp, and wake-up from STOP/STANDBY modes. Register-level examples for STM32F4, L4, G4, U5.
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