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    首页产品索引PIC18F44K22

    PIC18F44K22

    购买收藏
    16KB, Flash, 768bytes-RAM,8-bit Family,nanoWatt XLP

     

    产品信息

    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

    电路图、引脚图和封装图

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