Microchip Technology
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PIC16F874A-E/L
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PIC16F874A-E/L

Product Overview

Category

The PIC16F874A-E/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 with self-read/write capability
  • Wide operating voltage range
  • Low power consumption
  • Enhanced features for easy integration
  • Flexible I/O options
  • On-chip peripherals for enhanced functionality

Package

The PIC16F874A-E/L is available in a 44-pin package.

Essence

The essence of the PIC16F874A-E/L lies in its ability to provide efficient and reliable control and processing capabilities in a compact form factor.

Packaging/Quantity

The PIC16F874A-E/L is typically packaged in reels or tubes, with a quantity of 1000 units per reel/tube.

Specifications

  • CPU Speed: 20 MHz
  • Program Memory Size: 8 KB
  • RAM Size: 368 bytes
  • Number of I/O Pins: 33
  • ADC Channels: 5
  • Timers: 3
  • Communication Interfaces: USART, SPI, I2C

Detailed Pin Configuration

The PIC16F874A-E/L has a total of 44 pins. The pin configuration is as follows:

  1. VDD - Power supply voltage
  2. RA0/AN0 - Analog input channel 0 / Digital I/O pin
  3. RA1/AN1 - Analog input channel 1 / Digital I/O pin
  4. RA2/AN2 - Analog input channel 2 / Digital I/O pin
  5. RA3/AN3/VREF-/CVREF - Analog input channel 3 / Voltage reference input / Comparator voltage reference
  6. RA4/T0CKI/C1OUT - Timer0 clock input / Digital I/O pin / Comparator output
  7. RA5/AN4/SS - Analog input channel 4 / Slave select for SPI module
  8. RE0/RD/AN5 - Port E, bit 0 / Read control for external memory / Analog input channel 5
  9. RE1/WR/AN6 - Port E, bit 1 / Write control for external memory / Analog input channel 6
  10. RE2/CS/AN7 - Port E, bit 2 / Chip select for external memory / Analog input channel 7
  11. VSS - Ground

...

Functional Features

The PIC16F874A-E/L offers several functional features that enhance its usability and performance:

  1. Flash Program Memory: Allows for easy reprogramming of the microcontroller.
  2. Enhanced I/O Options: Provides flexibility in connecting external devices and sensors.
  3. On-Chip Peripherals: Integrated peripherals such as USART, SPI, and I2C enable seamless communication with other devices.
  4. Low Power Consumption: Optimized power management ensures efficient operation in battery-powered applications.
  5. High-Speed Processing: The 20 MHz CPU speed enables rapid execution of instructions.

Advantages and Disadvantages

Advantages

  • Compact size and high integration
  • Wide operating voltage range
  • Low power consumption
  • Flexible I/O options
  • Enhanced on-chip peripherals
  • Easy reprogramming capability

Disadvantages

  • Limited program memory size (8 KB)
  • Limited RAM size (368 bytes)
  • Relatively low number of I/O pins (33)

Working Principles

The PIC16F874A-E/L operates based on a RISC architecture, which allows for efficient execution of instructions. It follows a Von Neumann architecture, where program memory and data memory are separate. The microcontroller fetches instructions from the program memory, performs necessary operations on data stored in the data memory, and produces desired outputs.

Detailed Application Field Plans

The PIC16F874A-E/L finds applications in various fields, including but not limited to:

  1. Industrial Automation: Control systems for manufacturing processes and machinery.
  2. Consumer Electronics: Remote controls, home automation systems, and smart devices.
  3. Automotive: Engine control units, dashboard displays, and vehicle diagnostics.
  4. Medical Devices: Patient monitoring systems, medical equipment control.
  5. Internet of Things (IoT): Sensor nodes, data acquisition systems, and IoT gateways.

Detailed and Complete Alternative Models

  1. PIC16F877A
  2. PIC18F4520
  3. ATmega328P
  4. STM32F103C8T6
  5. MSP430G2553

These alternative models offer similar functionalities and can be used as substitutes for the PIC16F874A-E/L in various applications.

In conclusion, the PIC16F874A-E/L is a versatile microcontroller that provides efficient control and processing capabilities. Its compact

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

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

  2. Can PIC16F874A-E/L be used for motor control applications?
    - Yes, PIC16F874A-E/L can be used for motor control applications with appropriate interfacing and programming.

  3. What are the available communication interfaces on PIC16F874A-E/L?
    - PIC16F874A-E/L supports USART, SPI, and I2C communication interfaces.

  4. Is it possible to use PIC16F874A-E/L for analog signal processing?
    - Yes, PIC16F874A-E/L has built-in analog-to-digital converters (ADC) for analog signal processing.

  5. How many I/O pins does PIC16F874A-E/L have?
    - PIC16F874A-E/L has 33 I/O pins.

  6. Can PIC16F874A-E/L be programmed using C language?
    - Yes, PIC16F874A-E/L can be programmed using C language with appropriate compilers and development tools.

  7. What is the operating voltage range of PIC16F874A-E/L?
    - The operating voltage range of PIC16F874A-E/L is 2.0V to 5.5V.

  8. Does PIC16F874A-E/L have built-in timers and counters?
    - Yes, PIC16F874A-E/L has multiple built-in timers and counters for timing and control applications.

  9. Is PIC16F874A-E/L suitable for battery-powered applications?
    - Yes, PIC16F874A-E/L is suitable for battery-powered applications due to its low power consumption capabilities.

  10. Can PIC16F874A-E/L be used in industrial automation systems?
    - Yes, PIC16F874A-E/L can be used in industrial automation systems for control and monitoring tasks.