Features ·Operatingvoltage:

fSYS=4MHz:2.2V~5.5V

fSYS=8MHz:3.3V~5.5V

fSYS=12MHz:4.5V~5.5V

·Multi-programmableFlashTypeProgramMemory·From13to23BidirectionalI/OwithPull-highOptions·

ExternalInterruptInput

·FullTimerFunctionswithPrescalerandInterrupt·TimerExternalInput ·

CrystalandRCSystemOscillator

·WatchdogTimerFunction·PFD/BuzzerDriverOutputs