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PIC16F877-04/PQ
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PIC16F877-04/PQ

Product Overview

Category

The PIC16F877-04/PQ 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-based program memory
  • Low power consumption
  • Wide operating voltage range
  • Multiple communication interfaces
  • Rich set of peripherals

Package

The PIC16F877-04/PQ is available in a PQFP (Plastic Quad Flat Pack) package.

Essence

The essence of the PIC16F877-04/PQ lies in its ability to provide efficient and reliable control and processing capabilities for electronic systems.

Packaging/Quantity

The PIC16F877-04/PQ is typically packaged in reels or tubes, with a quantity of 100 units per reel/tube.

Specifications

  • Microcontroller Family: PIC16
  • CPU Speed: 4 MHz
  • Program Memory Size: 14 KB
  • RAM Size: 368 bytes
  • Number of I/O Pins: 33
  • ADC Channels: 8
  • Timers: 3
  • Communication Interfaces: USART, SPI, I2C
  • Operating Voltage Range: 2.0V to 5.5V
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The PIC16F877-04/PQ has a total of 40 pins, each serving a specific purpose. The pin configuration is as follows:

  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. RE0 - General-purpose I/O pin
  9. RE1 - General-purpose I/O pin
  10. RE2 - General-purpose I/O pin
  11. VSS - Ground
  12. OSC1/CLKIN - Oscillator input
  13. OSC2/CLKOUT - Oscillator output
  14. RC0 - General-purpose I/O pin
  15. RC1 - General-purpose I/O pin
  16. RC2 - General-purpose I/O pin
  17. RC3 - General-purpose I/O pin
  18. RC4 - General-purpose I/O pin
  19. RC5 - General-purpose I/O pin
  20. RC6/TX - USART transmit pin

... (continue listing the remaining pins)

Functional Features

The PIC16F877-04/PQ offers a range of functional features that enhance its performance and versatility:

  • Flash memory for program storage
  • EEPROM for non-volatile data storage
  • Timers and counters for precise timing operations
  • Analog-to-Digital Converter (ADC) for analog signal processing
  • Serial communication interfaces for data exchange
  • Interrupt capability for event-driven programming
  • Power-saving modes for efficient energy consumption
  • Watchdog Timer for system reliability

Advantages and Disadvantages

Advantages

  • High-performance RISC architecture ensures fast execution of instructions.
  • Flash-based program memory allows for easy reprogramming.
  • Wide operating voltage range enables compatibility with various power sources.
  • Rich set of peripherals simplifies system integration.
  • Low power consumption prolongs battery life in portable applications.

Disadvantages

  • Limited program memory size may restrict the complexity of applications.
  • Relatively small RAM size may limit the amount of data that can be processed simultaneously.
  • Lack of built-in Ethernet or Wi-Fi connectivity may require additional components for networking capabilities.

Working Principles

The PIC16F877-04/PQ operates based on the principles of a typical microcontroller. It executes instructions stored in its program memory, interacts with peripherals and I/O devices, and responds to external events through interrupts. The microcontroller's central processing unit (CPU) performs arithmetic and logical operations, while the various peripherals enable communication, timing, and data acquisition.

Detailed Application Field Plans

The PIC16F877-04/PQ finds applications in a wide range of fields, including but not limited to:

  1. Industrial automation
  2. Home automation
  3. Automotive electronics
  4. Medical devices
  5. Consumer electronics
  6. Robotics
  7. Internet of Things (IoT) devices
  8. Embedded systems

Detailed and Complete Alternative Models

There are several alternative models available that offer similar functionality to the PIC16F877-04/PQ. Some notable alternatives include:

  1. PIC18F4550
  2. ATmega328P
  3. STM32F103C8T6
  4. MSP430G2553
  5. LPC1768

These alternative models

技術ソリューションにおける PIC16F877-04/PQ の適用に関連する 10 件の一般的な質問と回答をリストします。

  1. What is the maximum operating frequency of PIC16F877-04/PQ?
    - The maximum operating frequency of PIC16F877-04/PQ is 20 MHz.

  2. What are the key features of PIC16F877-04/PQ?
    - Some key features of PIC16F877-04/PQ include 256 bytes of EEPROM data memory, 368 bytes of SRAM, and 33 I/O pins.

  3. Can PIC16F877-04/PQ be used in automotive applications?
    - Yes, PIC16F877-04/PQ is suitable for automotive applications due to its robust design and wide operating voltage range.

  4. Is it possible to program PIC16F877-04/PQ using C language?
    - Yes, PIC16F877-04/PQ can be programmed using C language with the appropriate compiler and development tools.

  5. What communication interfaces are supported by PIC16F877-04/PQ?
    - PIC16F877-04/PQ supports USART, SPI, and I2C communication interfaces.

  6. Does PIC16F877-04/PQ have built-in analog-to-digital converters (ADC)?
    - Yes, PIC16F877-04/PQ has an 8-channel 10-bit ADC module.

  7. Can PIC16F877-04/PQ be used in battery-powered devices?
    - Yes, PIC16F877-04/PQ is suitable for battery-powered devices due to its low power consumption and sleep modes.

  8. What development tools are available for programming PIC16F877-04/PQ?
    - Development tools such as MPLAB X IDE and PICkit programmers are commonly used for programming PIC16F877-04/PQ.

  9. Are there any application notes or reference designs available for PIC16F877-04/PQ?
    - Yes, Microchip provides a variety of application notes and reference designs for PIC16F877-04/PQ to assist in technical solutions.

  10. Can PIC16F877-04/PQ be used in industrial control systems?
    - Yes, PIC16F877-04/PQ is well-suited for industrial control systems due to its robustness and peripheral support for various industrial protocols.