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

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

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

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

Up to 28 channels for button, sensor or slider input

Two rail-to-rail analog comparators

Comparator inputs and outputs externally accessible and configurable

Programmable On-chip Voltage Reference (CVREF) module (% of VDD)

Selectable on-chip fixed voltage reference

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 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

One, two or four PWM outputs

Selectable polarity

Programmable dead time

Auto-shutdown and Auto-restart

PWM output steering control

3-wire SPI (supports all 4 SPI modes)

I2C™ Master and Slave modes (Slave mode with address masking)

Supports RS-232, RS-485 and LIN 2.0

Auto-Baud Detect

Auto Wake-up on Start bit

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

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

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

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

Up to 28 channels for button, sensor or slider input

Two rail-to-rail analog comparators

Comparator inputs and outputs externally accessible and configurable

Programmable On-chip Voltage Reference (CVREF) module (% of VDD)

Selectable on-chip fixed voltage reference

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 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

One, two or four PWM outputs

Selectable polarity

Programmable dead time

Auto-shutdown and Auto-restart

PWM output steering control

3-wire SPI (supports all 4 SPI modes)

I2C™ Master and Slave modes (Slave mode with address masking)

Supports RS-232, RS-485 and LIN 2.0

Auto-Baud Detect

Auto Wake-up on Start bit