PIC16F874-04/P

Product Overview

Category

The PIC16F874-04/P belongs to the category of microcontrollers.

Use

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

Characteristics

• Microcontroller with 8-bit architecture
• Low power consumption
• High-performance RISC CPU
• Flash memory for program storage
• EEPROM data memory
• Wide operating voltage range
• Multiple communication interfaces
• Analog-to-digital converter (ADC)
• Timers and counters

Package

The PIC16F874-04/P is available in a 40-pin PDIP package.

Essence

This microcontroller is designed to provide efficient and reliable control and processing capabilities for a wide range of electronic devices and systems.

Packaging/Quantity

The PIC16F874-04/P is typically sold in reels or tubes, with quantities varying depending on the supplier.

Specifications

• Architecture: 8-bit
• Program Memory Size: 8KB
• RAM Size: 368 bytes
• Data EEPROM Size: 256 bytes
• Operating Voltage Range: 2.0V to 5.5V
• Maximum Speed: 4 MHz
• Number of I/O Pins: 33
• Communication Interfaces: USART, SPI, I2C
• Analog-to-Digital Converter (ADC): 10-bit, 8 channels
• Timers: 3 timers, 1 watchdog timer

Detailed Pin Configuration

The PIC16F874-04/P has a total of 40 pins, each serving a specific purpose. The pin configuration is as follows:

• Pins 1-8: Port A (Digital I/O)
• Pins 9-16: Port B (Digital I/O)
• Pins 17-24: Port C (Digital I/O)
• Pins 25-32: Port D (Digital I/O)
• Pins 33-36: Oscillator and Clock
• Pin 37: MCLR/VPP (Reset/Input Voltage Programming)
• Pin 38: VSS (Ground)
• Pin 39: VDD (Power Supply)
• Pin 40: RB7/PGD (Program Data)

Functional Features

The PIC16F874-04/P offers several functional features that enhance its performance and versatility:

1. High-performance RISC CPU: The microcontroller's CPU provides efficient execution of instructions, enabling fast processing and control.
2. Flash Memory: The onboard flash memory allows for easy reprogramming of the microcontroller, facilitating firmware updates and modifications.
3. EEPROM Data Memory: The integrated EEPROM enables non-volatile storage of critical data, ensuring data persistence even during power loss.
4. Communication Interfaces: The USART, SPI, and I2C interfaces enable seamless communication with other devices, expanding connectivity options.
5. Analog-to-Digital Converter (ADC): The built-in ADC allows for accurate conversion of analog signals into digital values, enabling precise measurement and control.
6. Timers and Counters: The microcontroller's timers and counters facilitate time-based operations and event counting, enhancing functionality.

Advantages and Disadvantages

Advantages

• Low power consumption makes it suitable for battery-powered applications.
• Wide operating voltage range allows for flexibility in various power supply scenarios.
• Compact package size enables integration into space-constrained designs.
• Extensive communication interfaces provide compatibility with a wide range of peripheral devices.
• Onboard flash memory simplifies firmware development and updates.

Disadvantages

• Limited program memory size may restrict the complexity of applications.
• Relatively low clock speed may impact performance in demanding applications.
• Limited RAM size may limit the amount of data that can be processed simultaneously.

Working Principles

The PIC16F874-04/P operates based on the principles of a RISC (Reduced Instruction Set Computer) architecture. It executes instructions stored in its program memory, utilizing its CPU to perform various operations and control tasks. The microcontroller interacts with external devices through its I/O pins and communication interfaces, enabling data exchange and control signals.

Detailed Application Field Plans

The PIC16F874-04/P finds applications in various fields, including but not limited to:

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

Detailed and Complete Alternative Models

There are several alternative models available that offer similar functionality to the PIC16F874-04/P. Some notable alternatives include:

1. PIC16F877A
2. PIC18F4520
3. ATmega328P