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PIC16F882/883/884/886/887 处理器
  列清单与比较        
  部件型号 家族 制造商 内核变量 频率 Flash/ROM 封装
 PIC16F887  PIC16  Microchip Technology  Microchip PIC16  20MHz  14336  PDIP40, QFN44, TQFP44
 PIC16F886  PIC16  Microchip Technology  Microchip PIC16  20MHz  14336  QFN28, SOIC28, SPDIP28, SSOP28,
 PIC16F884  PIC16  Microchip Technology  Microchip PIC16  20MHz  7168  PDIP40, QFN44, TQFP44
 PIC16F883  PIC16  Microchip Technology  Microchip PIC16  20MHz  7168  QFN28, SOIC28, SPDIP28, SSOP28,
 PIC16F882  PIC16  Microchip Technology  Microchip PIC16  20MHz  3584  QFN28, SOIC28, SPDIP28, SSOP28,
  
This powerful yet easy-to-program (only 35 single word instructions) CMOS FLASH-based 8-bit microcontroller packs Microchip´s powerful PIC® architecture into a 28 pin package.The PIC16F882 features 128 bytes of EEPROM data memory, self programming, an ICD, 2 Comparators, 11 channels of 10-bit Analog-to-Digital (A/D) converter, 1 capture/compare/PWM and 1 Enhanced capture/compare/PWM functions, a synchronous serial port that can be configured as either 3-wire Serial Peripheral Interface (SPI™) or the 2-wire Inter-Integrated Circuit (I²C™) bus and an Enhanced Universal Asynchronous Receiver Transmitter (EUSART). All of these features make it ideal for more advanced level A/D applications in automotive,
industrial, appliances or consumer applications.


Special Microcontroller Features:

  • Precision Internal Oscillator:
    - Factory calibrated to ±1%
    - Software selectable frequency range of
    8 MHz to 32 kHz
    - Software tunable
    - Two-Speed Start-Up mode
    - Fail-safe clock monitoring for critical
    applications
    - Clock mode switching during operation for
    low-power operation
  • Power-Saving Sleep mode
  • Power-on Reset (POR)
  • Selectable Brown-out Reset (BOR) voltage
  • Extended Watchdog Timer (WDT) with its own
    on-chip RC oscillator for reliable operation
  • In-Circuit Serial Programming™ (ICSP™) via two
    pins
  • In-Circuit Debug (ICD) via two pins
  • High-endurance Flash/EEPROM cell:
    - 100,000 erase/write cycle enhanced Flash
    program memory, typical
    - 1,000,000 erase/write cycle data EEPROM
    memory, typical
    - Data EEPROM retention > 40 years
  • Self-reprogrammable under software control
  • Programmable code protection
  • Peripheral Features:
    Device Features:
    - 1 input only pin
    - 25 I/O
    - High sink/source current 25 mA
    - Interrupt-on-pin change option
  • Timers:
    - TMR0: 8-bit timer/counter with 8-bit prescaler
    - TMR1 enhanced: 16-bit timer/counter with
    prescaler, External Gate Input mode and
    dedicated low-power 32 kHz oscillator
    - TMR2: 8-bit timer/counter with 8-bit period
    register, prescaler and postscaler
  • Capture/Compare/PWM (CCP) module
  • Enhanced Capture/Compare/PWM (ECCP)
    module with auto-shutdown and PWM steering
  • Master Synchronous Serial Port (MSSP) module
    SPI™ mode, I2C™ mode with address mask
    capability
  • Enhanced Universal Synchronous Asynchronous
    Receiver Transmitter (EUSART) module:
    - Supports RS-485, RS-232 and LIN
    compatibility
    - Auto-Baud Detect
    - Auto-wake-up on Start bit
  • Ultra Low-Power Wake-up (ULPWU)
    Analog Features:
  • 10-bit 11 channel Analog-to-Digital (A/D)
    Converter
  • 2 Analog Comparator modules with:
    - Programmable on-chip Voltage Reference
    (CVREF) module (% of VDD)
    - Fixed 0.6 Vref
    - Comparator inputs and outputs externally
    accessible
    - SR Latch mode