4.1.1 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)