High-Performance RISC CPU:

• C Compiler Optimized Architecture:

- Optional extended instruction set designed tooptimize re-entrant code

• Up to 1024 Bytes Data EEPROM

• Up to 64 Kbytes Linear Program MemoryAddressing

• Up to 3896 Bytes Linear Data Memory Addressing

• 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 MultiplierFlexible Oscillator Structure:

• Precision 16 MHz Internal Oscillator Block:

- Factory calibrated to ± 1%

- Selectable frequencies, 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 clockstops

- Two-Speed Oscillator Start-upAnalog Features:

• Analog-to-Digital Converter (ADC) module:

- 10-bit resolution, up to 30 external channels

- Auto-acquisition capability

- Conversion available during Sleep

- Fixed Voltage Reference (FVR) channel

- Independent input multiplexing

• Analog Comparator module:

- Two rail-to-rail analog comparators

- Independent input multiplexing

• Digital-to-Analog Converter (DAC) module:

- Fixed Voltage Reference (FVR) with 1.024V,2.048V and 4.096V output levels- 5-bit rail-to-rail resistive DAC with positiveand negative reference selection

• Charge Time Measurement Unit (CTMU) module:

- Supports capacitive touch sensing for touchscreens and capacitive switches

eXtreme Low-Power Features (XLP)(PIC18(L)F2X/4XK22):

• Sleep mode: 20 nA, typical

• Watchdog Timer: 300 nA, typical

• Timer1 Oscillator: 800 nA @ 32 kHz

• Peripheral Module DisableSpecial Microcontroller Features:

• 2.3V to 5.5V Operation

 – PIC18FXXK22 devices

• 1.8V to 3.6V Operation 

– PIC18LFXXK22 devices

• Self-Programmable under Software Control

• High/Low-Voltage Detection (HLVD) module:

- Programmable 16-Level

- Interrupt on High/Low

-Voltage Detection

• Programmable Brown-out Reset (BOR):

- With software enable option

- Configurable shutdown in Sleep

• Extended Watchdog Timer (WDT):

- Programmable period from 4 ms to 131s

• In-Circuit Serial Programming™ (ICSP™):

- Single-Supply 3V

• In-Circuit Debug (ICD)Peripheral Highlights:

• Up to 35 I/O Pins plus 1 Input-Only Pin:

- High-Current Sink/Source 25 mA/25 mA

- Three programmable external interrupts

- Four programmable interrupt-on-change

- Nine programmable weak pull-ups

- Programmable slew rate

• SR Latch:

- Multiple Set/Reset input options

• Two Capture/Compare/PWM (CCP) modules

• Three Enhanced CCP (ECCP) modules:

- One, two or four PWM outputs

- Selectable polarity

- Programmable dead time

- Auto-Shutdown and Auto-Restart

- PWM steering

• Two Master Synchronous Serial Port (MSSP)modules:

- 3-wire SPI (supports all 4 modes)

- I2C Master and Slave modes with addressmask