Description
Additional Features High Performance RISC CPU:
C Compiler optimized architecture/instruc
tion 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
