High-Performance RISC CPU:

• Only 35 instructions to learn:
- All single-cycle instructions except branches

• Operating speed:

  • - DC – 20 MHz oscillator/clock input

  • - DC – 200 ns instruction cycle

• Interrupt capability

• 8-level deep hardware stack

• Direct, Indirect and Relative Addressing modes

Special Microcontroller Features:

• PrecisionInternalOscillator:

  • - Factorycalibratedto±1%,typical

  • - Softwareselectablefrequencyrangeof

    8 MHz to 125 kHz

  • - Softwaretunable

  • - Two-SpeedStart-upmode

  • - Crystalfaildetectforcriticalapplications

  • - Clockmodeswitchingduringoperationfor

    power savings

• Clockmodeswitchingforlow-poweroperation

• Power-SavingSleepmode

• Wideoperatingvoltagerange(2.0V-5.5V)

• IndustrialandExtendedTemperaturerange

• Power-onReset(POR)

• Wake-upReset(WUR)

• Independent weak pull-up/pull-down resistors

• ProgrammableLow-VoltageDetect(PLVD)

• Power-upTimer(PWRT)andOscillatorStart-up

  Timer (OST)

• Brown-outReset(BOR)withsoftwarecontrol

  option

• EnhancedLow-CurrentWatchdogTimer(WDT)

  with on-chip oscillator (software selectable nominal 268 seconds with full prescaler) with software enable

• MultiplexedMasterClearwithpull-up/inputpin

• Programmablecodeprotection(programand

  data independent)

• High-EnduranceFlash/EEPROMcell:

  • - 100,000 write Flash endurance

  • - 1,000,000 write EEPROM endurance

  • - Flash/Data EEPROM Retention: > 40 years