PIC16F874-04I/PQ

Product Overview

Category

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

Use

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

Characteristics

• High-performance 8-bit RISC architecture
• Flash-based program memory
• Wide operating voltage range
• Low power consumption
• Enhanced peripheral integration
• Flexible I/O options

Package

The PIC16F874-04I/PQ is available in a PQFP package (Plastic Quad Flat Pack).

Essence

The essence of this microcontroller lies in its ability to provide efficient and reliable control and processing capabilities for a wide range of electronic applications.

Packaging/Quantity

The PIC16F874-04I/PQ is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• CPU Speed: 4 MHz
• Program Memory Size: 8 KB
• RAM Size: 368 bytes
• Number of I/O Pins: 33
• Analog-to-Digital Converter (ADC): 8 channels, 10-bit resolution
• Serial Communication: USART, SPI, I2C
• Timers: 3 timers/counters
• Operating Voltage Range: 2.0V to 5.5V
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The PIC16F874-04I/PQ 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 / Digital I/O
3. RA1/AN1 - Analog input / Digital I/O
4. RA2/AN2 - Analog input / Digital I/O
5. RA3/AN3/VREF-/CVREF - Analog input / Digital I/O
6. RA4/T0CKI/C1OUT - Timer0 clock input / Digital I/O
7. RA5/AN4/SS - Analog input / Slave Select for SPI
8. RE0/RD/AN5 - Reset input / Read control / Analog input
9. RE1/WR/AN6 - Write control / Analog input
10. RE2/CS/AN7 - Chip select / Analog input
11. VSS - Ground

And so on...

Functional Features

• High-performance RISC CPU with a wide range of instructions
• Flash program memory for easy reprogramming
• Enhanced peripheral integration for versatile applications
• Flexible I/O options for interfacing with external devices
• Efficient power management for low power consumption
• Built-in analog-to-digital converter for sensor interfacing
• Multiple serial communication interfaces for data exchange
• Timers and counters for precise timing operations

Advantages and Disadvantages

Advantages

• High-performance architecture enables efficient processing
• Flash-based program memory allows for easy updates
• Wide operating voltage range provides flexibility in power supply
• Enhanced peripheral integration simplifies system design
• Low power consumption prolongs battery life
• Versatile I/O options facilitate device connectivity

Disadvantages

• Limited program memory size may restrict complex applications
• Relatively small RAM size may limit data storage capacity
• Lack of advanced features compared to higher-end microcontrollers
• Limited temperature range may not be suitable for extreme environments

Working Principles

The PIC16F874-04I/PQ operates based on the principles of a RISC (Reduced Instruction Set Computer) architecture. It executes instructions stored in its flash program memory, utilizing its CPU and integrated peripherals to perform various tasks. The microcontroller interacts with external devices through its I/O pins, enabling control and data exchange. It operates within a specified voltage range and follows the instructions provided by the program stored in its memory.

Detailed Application Field Plans

The PIC16F874-04I/PQ finds applications in various fields, including but not limited to: - Industrial automation - Consumer electronics - Automotive systems - Medical devices - Home appliances - Security systems

In industrial automation, it can be used for controlling machinery and monitoring processes. In consumer electronics, it can be employed in devices such as remote controls and smart home systems. In automotive systems, it can enable functions like engine management and dashboard control. In medical devices, it can facilitate patient monitoring and diagnostics. In home appliances, it can provide control for devices like washing machines and air conditioners. In security systems, it can be utilized for access control and alarm systems.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the PIC16F874-04I/PQ include:

1. ATmega328P - Micro