PIC18F25K22 Devices

The PIC18F25K22 is the 28 PIN variant in the full family of devices. These devices are powerful devices offering a good range of features performing at a wide range of voltages. For ease of use, the projects created are powered at either 3v3 of 5Vdc.

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