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