PIC18F26K22-I/SP (PDIP-28)
  • PIC18F26K22-I/SP (PDIP-28)
  • PIC18F26K22-I/SO (SOIC)


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PIC18F26K22-I/SP (PDIP-28)
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Package Type

This PIC18F26K22-1/SP is a 28-pin Flash-based 16 MIPS operation, 16-bit wide instructions, 8-bit wide data path microcontroller with In-Circuit Debug (ICD) mode.

Pin Diagram:

PIC18F26K22 Pin Diagrams

Features & Specification:
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



    • PIC18F26K22 Data Sheet: Link