4.1.2 Components

• Peripherals powered by VDDBU:
  • 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)
• Peripherals powered by VDDCORE:
  • Watchdog Timer (WDT)
  • Debug Unit (DBGU)
  • OTP Memory Controller (OTPC)
  • Special Function Registers (SFR)
  • Clock Generator and Power Management Controller (PMC)
  • Parallel Input/Output Controllers (PIOA, PIOB, PIOC, PIOD)
  • Periodic Interval Timer (PIT)