PIC18F458T-I/L

Product Overview

Category

The PIC18F458T-I/L 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 architecture
• Flash-based program memory
• Wide operating voltage range
• Low power consumption
• Enhanced peripheral integration

Package

The PIC18F458T-I/L is available in a 44-pin LQFP (Low-Profile Quad Flat Package) package.

Essence

The essence of the PIC18F458T-I/L lies in its ability to provide efficient and reliable control and processing capabilities for a wide range of electronic applications.

Packaging/Quantity

The PIC18F458T-I/L is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Architecture: 8-bit
• Program Memory Size: 32 KB
• RAM Size: 1536 bytes
• Operating Voltage Range: 2.0V to 5.5V
• Maximum Speed: 40 MHz
• Number of I/O Pins: 36
• Timers: 3
• Analog-to-Digital Converters (ADC): 8 channels, 10-bit resolution
• Communication Interfaces: USART, SPI, I2C

Detailed Pin Configuration

The PIC18F458T-I/L has a total of 44 pins, each serving a specific purpose. The pin configuration is as follows:

• Pins 1-20: General-purpose I/O (GPIO) pins
• Pins 21-28: Analog input pins
• Pins 29-32: Power supply and ground pins
• Pins 33-36: Communication interface pins
• Pins 37-40: Timer and interrupt pins
• Pins 41-44: Special function pins

Functional Features

• High-performance RISC CPU
• Flash program memory with self-read/write capability
• Enhanced peripheral integration for efficient system design
• Flexible and configurable I/O ports
• Multiple communication interfaces for data exchange
• Analog-to-Digital Converters (ADC) for precise analog measurements
• Timers and interrupts for accurate timing control

Advantages and Disadvantages

Advantages

• High-performance architecture enables fast and efficient processing
• Wide operating voltage range allows flexibility in power supply options
• Low power consumption for energy-efficient designs
• Enhanced peripheral integration reduces external component count
• Flash-based program memory enables easy firmware updates

Disadvantages

• Limited program memory size compared to higher-end microcontrollers
• Limited RAM size may restrict the complexity of applications
• Lack of advanced features found in more specialized microcontrollers

Working Principles

The PIC18F458T-I/L operates based on the principles of a RISC (Reduced Instruction Set Computer) architecture. It executes instructions stored in its program memory, manipulating data from various sources using its CPU and peripherals. The microcontroller interacts with external devices through its I/O ports and communication interfaces, enabling control and data exchange.

Detailed Application Field Plans

The PIC18F458T-I/L finds applications in various fields, including but not limited to: - Industrial automation - Consumer electronics - Automotive systems - Medical devices - Home automation - Internet of Things (IoT) devices

In these fields, the microcontroller can be used for tasks such as sensor interfacing, motor control, data logging, human-machine interface, and communication protocols implementation.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the PIC18F458T-I/L include: - ATmega328P by Atmel - STM32F103C8T6 by STMicroelectronics - MSP430G2553 by Texas Instruments - LPC1768 by NXP Semiconductors

These microcontrollers provide comparable features and can be considered as alternatives depending on specific project requirements.

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