23.2 Embedded Characteristics

  • Management of the Core Power Supply VDDCORE and Backup Mode via the Embedded Voltage Regulator
  • Supply Monitor Detection on VDDIO or a Brownout Detection on VDDCORE Triggers a Core Reset
  • Generates the Slow Clock SLCK by selecting either the 22-42 kHz Slow RC Oscillator or the 32.768 kHz Crystal Oscillator
  • Backup SRAM
  • Low-power Tamper Detection on Two Inputs
  • Anti-tampering by Immediate Clear of the General-purpose Backup Registers
  • Support of Multiple Wakeup Sources for Exit from Backup Mode
    • 14 Wakeup Inputs with Programmable Debouncing
    • Real-Time Clock Alarm
    • Real-Time Timer Alarm
    • Supply Monitor Detection on VDDIO, with Programmable Scan Period and Voltage Threshold