20.2 Components

  • Peripherals powered by VDDBU (either VBAT or VDDIN33):
    • System Controller Write Protection (SYSCWP)
    • General Purpose Backup Registers (GPBR)
    • Reset Controller (RSTC)
    • Real-time Timer (RTT)
    • Real-time Clock (RTC)
    • Shutdown Controller (SHDWC)
    • Slow Clock Controller (SCKC)
    • Special Function Registers Backup (SFRBU)
    • Security Module (SECUMOD)
  • Peripherals powered by VDDCORE:
    • Dual Watchdog Timer (DWDT)
    • Chip Identifier (CHIPID)
    • OTP Memory Controller (OTPC)
    • Special Function Registers (SFR)
    • Clock Generator and Power Management Controller (PMC)
    • Parallel Input/Output Controller (PIO)
    • 64-bit Periodic Interval Timer (PIT64B)