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PIC16F871-I/L
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PIC16F871-I/L

Product Overview

Category

The PIC16F871-I/L belongs to the category of microcontrollers.

Use

This microcontroller is commonly used in various electronic applications that require embedded control and processing capabilities.

Characteristics

  • Low power consumption
  • High-performance RISC CPU
  • Wide operating voltage range
  • On-chip peripherals for enhanced functionality
  • Flash program memory for easy reprogramming
  • Small form factor for space-constrained designs

Package

The PIC16F871-I/L is available in a 44-pin LQFP (Low-Profile Quad Flat Package) package.

Essence

The essence of the PIC16F871-I/L lies in its ability to provide efficient and reliable control and processing capabilities in a compact form factor.

Packaging/Quantity

The PIC16F871-I/L is typically packaged in reels, with each reel containing a specific quantity of microcontrollers. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

  • CPU: 8-bit RISC
  • Program Memory: 3.5 KB
  • Data Memory: 128 bytes
  • Operating Voltage Range: 2.0V to 5.5V
  • Maximum Clock Speed: 20 MHz
  • I/O Pins: 33
  • Timers: 3
  • Analog-to-Digital Converter (ADC): 8 channels, 10-bit resolution
  • Serial Communication: USART, SPI, I2C

Detailed Pin Configuration

The PIC16F871-I/L has a total of 44 pins, each serving a specific purpose. Here is a detailed pin configuration:

  1. VDD - Power supply voltage
  2. RA0 - General-purpose I/O pin
  3. RA1 - General-purpose I/O pin
  4. RA2 - General-purpose I/O pin
  5. RA3 - General-purpose I/O pin
  6. RA4 - General-purpose I/O pin
  7. RA5 - General-purpose I/O pin
  8. MCLR - Master Clear input
  9. VSS - Ground
  10. OSC1/CLKIN - Oscillator input
  11. OSC2/CLKOUT - Oscillator output
  12. RC0 - General-purpose I/O pin
  13. RC1 - General-purpose I/O pin
  14. RC2 - General-purpose I/O pin
  15. RC3 - General-purpose I/O pin
  16. RC4 - General-purpose I/O pin
  17. RC5 - General-purpose I/O pin
  18. VDD - Power supply voltage
  19. RD0 - General-purpose I/O pin
  20. RD1 - General-purpose I/O pin
  21. RD2 - General-purpose I/O pin
  22. RD3 - General-purpose I/O pin
  23. RD4 - General-purpose I/O pin
  24. RD5 - General-purpose I/O pin
  25. RD6 - General-purpose I/O pin
  26. RD7 - General-purpose I/O pin
  27. VSS - Ground
  28. RB0 - General-purpose I/O pin
  29. RB1 - General-purpose I/O pin
  30. RB2 - General-purpose I/O pin
  31. RB3 - General-purpose I/O pin
  32. RB4 - General-purpose I/O pin
  33. RB5 - General-purpose I/O pin
  34. RB6 - General-purpose I/O pin
  35. RB7 - General-purpose I/O pin
  36. VDD - Power supply voltage
  37. VSS - Ground
  38. VREF- - Negative reference voltage for ADC
  39. VREF+ - Positive reference voltage for ADC
  40. AN0 - Analog input channel 0
  41. AN1 - Analog input channel 1
  42. AN2 - Analog input channel 2
  43. AN3 - Analog input channel 3
  44. AVSS - Ground reference for ADC

Functional Features

The PIC16F871-I/L offers the following functional features:

  • High-performance RISC CPU for efficient execution of instructions
  • Flash program memory for easy reprogramming and flexibility
  • On-chip peripherals such as timers, USART, SPI, and I2C for enhanced functionality
  • Analog-to-Digital Converter (ADC) with multiple channels and high resolution for accurate analog measurements
  • Low power consumption for energy-efficient designs
  • Wide operating voltage range for compatibility with various power sources

Advantages and Disadvantages

Advantages

  • Compact form factor allows for space-constrained designs
  • Low power consumption extends battery life in portable applications
  • On-chip peripherals reduce the need for external components, saving cost and board space
  • Flash program memory enables easy firmware updates and modifications

Disadvantages

  • Limited program memory size may restrict the complexity of applications
  • Relatively low number of I/O pins may limit the connectivity options

Lista 10 Vanliga frågor och svar relaterade till tillämpningen av PIC16F871-I/L i tekniska lösningar

  1. What is the maximum operating frequency of PIC16F871-I/L?
    - The maximum operating frequency of PIC16F871-I/L is 20 MHz.

  2. What are the key features of PIC16F871-I/L?
    - Some key features of PIC16F871-I/L include 256 bytes of EEPROM data memory, 368 bytes of RAM, and 14 I/O pins.

  3. Can PIC16F871-I/L be used for motor control applications?
    - Yes, PIC16F871-I/L can be used for simple motor control applications with appropriate interfacing circuitry.

  4. What programming language is commonly used to program PIC16F871-I/L?
    - The most common programming language used to program PIC16F871-I/L is assembly language or C.

  5. Is PIC16F871-I/L suitable for battery-powered applications?
    - Yes, PIC16F871-I/L is suitable for battery-powered applications due to its low power consumption characteristics.

  6. How many timers does PIC16F871-I/L have?
    - PIC16F871-I/L has three timers: Timer0, Timer1, and Timer2.

  7. Can PIC16F871-I/L be used for sensor interfacing?
    - Yes, PIC16F871-I/L can be used for interfacing with various sensors such as temperature sensors, light sensors, and proximity sensors.

  8. What communication interfaces are supported by PIC16F871-I/L?
    - PIC16F871-I/L supports serial communication interfaces such as USART (Universal Synchronous Asynchronous Receiver Transmitter) and SPI (Serial Peripheral Interface).

  9. What is the typical operating voltage range for PIC16F871-I/L?
    - The typical operating voltage range for PIC16F871-I/L is 2.0V to 5.5V.

  10. Can PIC16F871-I/L be used in industrial control applications?
    - Yes, PIC16F871-I/L can be used in various industrial control applications such as monitoring and control systems.