High Performance RISC CPU:

Extreme Low-Power Management with nanoWatt XLP™:

Flexible Oscillator Structure:

Special Microcontroller Features:

Analog Features:

Peripheral Features:

• • 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

  • Sleep mode: 100 nA, typical

  • Watchdog Timer: 500 nA, typical

  • Timer1 Oscillator: 500 nA @ typical 32 kHz

  • 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

  • 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-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

  • 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