PIC16F874-04/PQ

Product Overview

Category

The PIC16F874-04/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
• Integrated peripherals for enhanced functionality
• Flexible I/O options
• Compact size

Package

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

Essence

The essence of this microcontroller lies in its ability to provide efficient and reliable control and processing capabilities in a compact form factor.

Packaging/Quantity

The PIC16F874-04/PQ is typically packaged in reels or tubes, with a quantity of 100 units per package.

Specifications

• Microcontroller Family: PIC16F
• Operating Voltage Range: 2.0V to 5.5V
• Maximum CPU Speed: 4 MHz
• Program Memory Size: 7.5 KB
• RAM Size: 368 bytes
• Number of I/O Pins: 33
• Timers: 3
• Analog-to-Digital Converter (ADC): 8 channels, 10-bit resolution
• Serial Communication: USART, SPI, I2C
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The PIC16F874-04/PQ has a total of 44 pins, each serving a specific function. 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/TOCKI - General-purpose I/O pin or Timer0 external clock input
7. RA5/MCLR/VPP - Master Clear input or programming voltage supply
8. RE0 - General-purpose I/O pin
9. RE1 - General-purpose I/O pin
10. RE2 - General-purpose I/O pin
11. VSS - Ground

(Continued for the remaining pins...)

Functional Features

The PIC16F874-04/PQ offers a range of functional features that enhance its capabilities:

1. Flash Program Memory: Allows easy reprogramming of the microcontroller.
2. Enhanced CPU Performance: The RISC architecture ensures efficient execution of instructions.
3. Integrated Peripherals: On-chip peripherals such as timers, ADC, and serial communication modules provide additional functionality.
4. Low Power Consumption: Enables energy-efficient operation, making it suitable for battery-powered applications.
5. Flexible I/O Options: Multiple I/O pins allow interfacing with various external devices.
6. Wide Operating Voltage Range: Provides compatibility with different power supply sources.

Advantages and Disadvantages

Advantages

• High-performance RISC architecture
• Compact size
• Low power consumption
• Integrated peripherals for enhanced functionality
• Wide operating voltage range

Disadvantages

• Limited program memory size (7.5 KB)
• Limited RAM size (368 bytes)
• Relatively low maximum CPU speed (4 MHz)

Working Principles

The PIC16F874-04/PQ operates based on the principles of a typical microcontroller. It executes instructions stored in its program memory, interacts with external devices through its I/O pins, and utilizes integrated peripherals to perform specific tasks. The RISC architecture ensures efficient instruction execution, while the low power consumption allows for prolonged operation in battery-powered applications.

Detailed Application Field Plans

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

1. Industrial Automation: Control systems, motor control, and monitoring devices.
2. Consumer Electronics: Remote controls, home automation systems, and audio/video equipment.
3. Automotive: Engine management systems, dashboard displays, and lighting control.
4. Medical Devices: Patient monitoring systems, portable medical instruments, and diagnostic equipment.
5. Internet of Things (IoT): Smart sensors, wearable devices, and connected appliances.

Detailed and Complete Alternative Models

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

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

These alternative microcontrollers provide comparable features and can be considered as substitutes depending on specific application requirements.

In conclusion, the PIC16F874-04/PQ is a versatile microcontroller with high-performance capabilities, compact size, and low power consumption. Its integrated peripherals