PIC18LF44K22

Datasheet: Download Here

Imp: PIC18LF44K22 is 1.8V to 3.6V Operation

Features

    High Performance RISC CPU:

        C Compiler optimized architecture/instruction set
        Data EEPROM to 1024 bytes
        Linear program memory addressing to 64 Kbytes
        Linear data memory addressing to 4 Kbytes
        Up to 16 MIPS operation
        16-bit wide instructions, 8-bit wide data path
        Priority levels for interrupts
        31-level, software accessible hardware stack
        8 x 8 Single-Cycle Hardware Multiplier

    Extreme Low-Power Management with nanoWatt XLP™:

        Sleep mode: 100 nA, typical
        Watchdog Timer: 500 nA, typical
        Timer1 Oscillator: 500 nA @ typical 32 kHz
    Flexible Oscillator Structure:
        Precision 16 MHz internal oscillator block:
            Factory calibrated to ± 1%
            Software selectable frequencies range of 31 kHz to 16 MHz
            64 MHz performance available using PLL
            no external components required
        Four Crystal modes up to 64 MHz
        Two external Clock modes up to 64 MHz
        4X Phase Lock Loop (PLL)
        Secondary oscillator using Timer1 @ 32 kHz
        Fail-Safe Clock Monitor:
            Allows for safe shutdown if peripheral clock stops
        Two-Speed Oscillator Start-up

    Special Microcontroller Features:

        Full 5.5V operation (PIC18F2XK22/4XK22)
        Low voltage option available for 1.8V-3.6V operation (PIC18LF2XK22/4XK22)
        Self-reprogrammable under software control
        Power-on Reset (POR), Power-up Timer (PWRT) and Oscillator Start-up Timer (OST)
        Programmable Brown-out Reset (BOR)
        Extended Watchdog Timer (WDT) with on-chip oscillator and software enable
        Programmable code protection
        In-Circuit Serial Programming™ (ICSP™) via two pins
        In-Circuit Debug via two pins

    Analog Features:

        Analog-to-Digital Converter (ADC) module:
            10-bit resolution
            17 analog input channels (PIC18F/LF2XK22)
            28 analog input channels (PIC18F/LF4XK22)
            Auto acquisition capability
            Conversion available during Sleep
        Programmable High/Low Voltage Detection (PLVD) module
        Charge Time Measurement Unit (CTMU) for mTouch™ support:
            Up to 28 channels for button, sensor or slider input
        Analog comparator module with:
            Two rail-to-rail analog comparators
            Comparator inputs and outputs externally accessible and configurable
        Voltage reference module with:
            Programmable On-chip Voltage Reference (CVREF) module (% of VDD)
            Selectable on-chip fixed voltage reference

    Peripheral Features:

        24/35 I/O pins and 1 input-only pin:
            High current sink/source 25 mA/25 mA
            Individually programmable weak pull-ups
            Individually programmable interrupt-on-pin change
        Three external interrupt pins
        Up to seven Timer modules:
            Up to four 16-bit timers/counters with prescaler
            Up to three 8-bit timers/counters
            Dedicated, low-power Timer1 oscillator
        Up to two Capture/Compare/PWM (CCP) modules
        Up to three Enhanced Capture/Compare/PWM
        (ECCP) modules with:
            One, two or four PWM outputs
            Selectable polarity
            Programmable dead time
            Auto-shutdown and Auto-restart
            PWM output steering control
        Two Master Synchronous Serial Port (MSSP) modules with two modes of operation:
            3-wire SPI (supports all 4 SPI modes)
            I2C™ Master and Slave modes (Slave mode with address masking)
        Two Enhanced Universal Synchronous Asynchronous
    Receiver Transmitter modules (EUSART):
        Supports RS-232, RS-485 and LIN 2.0
        Auto-Baud Detect
        Auto Wake-up on Start bit