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 • Program Memory Read (PMR) capability • Interrupt capability • 8-level deep hardware stack • Direct, Indirect and Relative Addressing modes Special Microcontroller Features: • Precision Internal Oscillator: - Factory calibrated to ±1%, typical - Software selectable frequency range of 8 MHz to 125 kHz - Software tunable - Two-Speed Start-up mode - External Oscillator fail detect for critical applications - Clock mode switching during operation for power savings • Software selectable 31 kHz internal oscillator • Power-Saving Sleep mode • Wide operating voltage range (2.0V-5.5V) • Industrial and Extended temperature range • Power-on Reset (POR) • Power-up Timer (PWRT) and Oscillator Start-up Timer (OST) • Brown-out Reset (BOR) with software control option • Enhanced Low-Current Watchdog Timer (WDT) with on-chip oscillator (software selectable nominal 268 seconds with full prescaler) with software enable • Multiplexed Master Clear with pull-up/input pin • Programmable code protection • High-Endurance Flash/EEPROM cell: - 100,000 write Flash endurance - 1,000,000 write EEPROM endurance - Flash/Data EEPROM retention: > 40 years Low-Power Features: • Standby Current: - <100 nA @ 2.0V, typical • Operating Current: - 11 μA @ 32 kHz, 2.0V, typical - 220 μA @ 4 MHz, 2.0V, typical • Watchdog Timer Current: - 1 μA @ 2.0V, typical Peripheral Features: • Liquid Crystal Display module: - Up to 60/96/168 pixel drive capability on 28/40/64-pin devices, respectively - Four commons • Up to 24/35/53 I/O pins and 1 input-only pin: - High-current source/sink for direct LED drive - Interrupt-on-change pin - Individually programmable weak pull-ups • In-Circuit Serial Programming™ (ICSP™) via two pins • Analog comparator module with: - Two analog comparators - Programmable on-chip voltage reference (CVREF) module (% of VDD) - Comparator inputs and outputs externally accessible • A/D Converter: - 10-bit resolution and up to 8 channels • Timer0: 8-bit timer/counter with 8-bit programmable prescaler • Enhanced Timer1: - 16-bit timer/counter with prescaler - External Timer1 Gate (count enable) - Option to use OSC1 and OSC2 as Timer1 oscillator if INTOSCIO or LP mode is selected • Timer2: 8-bit timer/counter with 8-bit period register, prescaler and postscaler • Addressable Universal Synchronous Asynchronous Receiver Transmitter (AUSART) • Up to 2 Capture, Compare, PWM modules: - 16-bit Capture, max. resolution 12.5 ns - 16-bit Compare, max. resolution 200 ns - 10-bit PWM, max. frequency 20 kHz • Synchronous Serial Port (SSP) with I2C™
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