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 Managementwith 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 of31 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 clockstops

   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-chiposcillator and software enable

   Programmable code protection

   In-Circuit Serial Programming™ (ICSP™) viatwo 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) formTouch™ support:

   Up to 28 channels for button, sensor or sliderinput

   Analog comparator module with:

   Two rail-to-rail analog comparators

   Comparator inputs and outputs externallyaccessible 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-pinchange

   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 modewith address masking)

   Two Enhanced Universal Synchronous AsynchronousReceiver Transmitter modules (EUSART):

   Supports RS-232, RS-485 and LIN 2.0

   Auto-Baud Detect

   Auto Wake-up on Start bit