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PIC16F874A-I/L
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PIC16F874A-I/L

Product Overview

Category

The PIC16F874A-I/L belongs to the category of microcontrollers.

Use

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

Characteristics

  • High-performance 8-bit RISC architecture
  • Flash program memory
  • EEPROM data memory
  • Wide operating voltage range
  • Low power consumption
  • Multiple communication interfaces
  • Enhanced peripheral integration

Package

The PIC16F874A-I/L is available in a 44-pin plastic dual inline package (PDIP).

Essence

The essence of the PIC16F874A-I/L lies in its ability to provide efficient and reliable control and processing capabilities for a wide range of electronic devices and systems.

Packaging/Quantity

The PIC16F874A-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

  • Architecture: 8-bit RISC
  • Program Memory Size: 8KB
  • RAM Size: 368 bytes
  • Data EEPROM Size: 256 bytes
  • Operating Voltage Range: 2.0V to 5.5V
  • Maximum Speed: 20 MHz
  • Number of I/O Pins: 33
  • Communication Interfaces: USART, SPI, I2C
  • Timers: 3
  • Analog-to-Digital Converter (ADC): 8 channels, 10-bit resolution

Detailed Pin Configuration

The PIC16F874A-I/L has a total of 44 pins, each serving a specific purpose. The pin configuration is as follows:

  1. VDD - Power supply voltage
  2. RA0/AN0 - Analog input or digital I/O
  3. RA1/AN1 - Analog input or digital I/O
  4. RA2/AN2 - Analog input or digital I/O
  5. RA3/AN3/VREF-/CVREF - Analog input or digital I/O
  6. RA4/T0CKI/C1OUT - Timer0 clock input or digital I/O
  7. RA5/AN4/SS/HLVDIN - Analog input or digital I/O
  8. RE0/RD/AN5 - Port E bit 0 or RD or analog input
  9. RE1/WR/AN6 - Port E bit 1 or WR or analog input
  10. RE2/CS/AN7 - Port E bit 2 or CS or analog input
  11. VSS - Ground
  12. OSC1/CLKI - Oscillator crystal input
  13. OSC2/CLKO - Oscillator crystal output
  14. RC0/T1OSO/T1CKI - Timer1 oscillator output or clock input
  15. RC1/T1OSI/CCP2 - Timer1 oscillator input or CCP2
  16. RC2/CCP1 - CCP1
  17. RC3/SCK/SCL - Serial clock for SPI or I2C
  18. RC4/SDI/SDA - Serial data input for SPI or I2C
  19. RC5/SDO - Serial data output for SPI
  20. RC6/TX/CK - USART transmit or synchronous clock
  21. RC7/RX/DT - USART receive or asynchronous data

... (continued)

Functional Features

The PIC16F874A-I/L offers a range of functional features that enhance its usability and performance in various applications. Some key features include:

  • Flash program memory for easy reprogramming
  • EEPROM data memory for non-volatile storage
  • Enhanced peripheral integration, reducing the need for external components
  • Multiple communication interfaces (USART, SPI, I2C) for seamless connectivity
  • Timers and PWM modules for precise timing control
  • Analog-to-Digital Converter (ADC) for analog signal processing
  • Low power consumption modes for energy-efficient operation

Advantages and Disadvantages

Advantages

  • High-performance RISC architecture ensures efficient execution of instructions
  • Wide operating voltage range allows compatibility with different power sources
  • Flash program memory enables easy firmware updates
  • Enhanced peripheral integration reduces external component count and PCB complexity
  • Multiple communication interfaces provide flexibility in system integration

Disadvantages

  • Limited program memory size compared to some other microcontrollers
  • Relatively low RAM size may restrict the complexity of applications
  • Lack of advanced features found in higher-end microcontrollers

Working Principles

The PIC16F874A-I/L operates based on the principles of a typical 8-bit RISC microcontroller. It executes instructions stored in its program memory, interacts with peripherals and I/O pins, and processes data according to the program logic. The microcontroller's clock drives the execution of instructions and synchronization of various operations.

Detailed Application Field Plans

Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van PIC16F874A-I/L in technische oplossingen

  1. What is the maximum clock frequency of PIC16F874A-I/L?
    - The maximum clock frequency of PIC16F874A-I/L is 20 MHz.

  2. How many I/O pins does PIC16F874A-I/L have?
    - PIC16F874A-I/L has a total of 33 I/O pins.

  3. What are the key features of PIC16F874A-I/L?
    - Some key features of PIC16F874A-I/L include 8-bit microcontroller, 256 bytes of EEPROM data memory, and 368 bytes of RAM.

  4. Can PIC16F874A-I/L be used for analog-to-digital conversion?
    - Yes, PIC16F874A-I/L has an integrated 10-bit ADC module for analog-to-digital conversion.

  5. What programming language can be used to program PIC16F874A-I/L?
    - PIC16F874A-I/L can be programmed using assembly language or high-level languages such as C.

  6. Is PIC16F874A-I/L suitable for battery-powered applications?
    - Yes, PIC16F874A-I/L is suitable for battery-powered applications due to its low power consumption features.

  7. Does PIC16F874A-I/L have built-in communication interfaces?
    - Yes, PIC16F874A-I/L has built-in USART, SPI, and I2C communication interfaces.

  8. Can PIC16F874A-I/L be used in industrial control systems?
    - Yes, PIC16F874A-I/L is commonly used in industrial control systems due to its reliability and versatility.

  9. What development tools are available for PIC16F874A-I/L?
    - Development tools such as MPLAB X IDE and PICkit programmers are commonly used for programming and debugging PIC16F874A-I/L.

  10. Are there any application notes or reference designs available for PIC16F874A-I/L?
    - Yes, Microchip provides a wide range of application notes and reference designs for implementing PIC16F874A-I/L in various technical solutions.