Family Members/VariantsResetThe Watchdog TimerClock and Resonator CircuitsI/O Port StructuresSome Design ExamplesAccessing External MemoryLogical Separation of Program Memory (read only) and Data Memory (read/write)Non-volatile MemoryArchitectureTimer/CountersInterruptsStackSerial PortsBit AddressingUsing the ADC in the 80550 FamilyAnalogue to Digital ConversionDigital to Analogue Conversion (the PWM output)The 80552 Watchdog TimerParallel Expansion