PIC18F458-E/L

Introduction

The PIC18F458-E/L is a microcontroller belonging to the PIC18 family, which is manufactured by Microchip Technology. This entry provides an overview of the PIC18F458-E/L, including its product category, basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Product Category

The PIC18F458-E/L belongs to the category of 8-bit microcontrollers, specifically designed for embedded control applications.

Basic Information Overview

• Use: The PIC18F458-E/L is used in various embedded control applications such as industrial automation, consumer electronics, automotive systems, and more.
• Characteristics: It features high performance, low power consumption, and a wide range of integrated peripherals.
• Package: The PIC18F458-E/L is available in various package options, including PDIP, SOIC, and TQFP.
• Essence: Its essence lies in providing a versatile and efficient platform for embedded control and automation.
• Packaging/Quantity: The PIC18F458-E/L is typically available in tape and reel packaging with varying quantities based on the supplier.

Specifications

• Architecture: 8-bit
• CPU Speed: Up to 40 MHz
• Program Memory Size: 32 KB
• RAM Size: 1536 bytes
• Digital I/O Pins: 36
• Analog Input Channels: 13
• Communication Interfaces: UART, SPI, I2C
• Operating Voltage: 2.0V - 5.5V
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The detailed pin configuration of the PIC18F458-E/L can be found in the official datasheet provided by Microchip Technology.

Functional Features

• Integrated Peripherals: The microcontroller integrates various peripherals including timers, PWM modules, ADC, and communication interfaces.
• Enhanced Core: It features an enhanced 8-bit CPU core for improved performance.
• Low Power Consumption: The device is designed for low power operation, making it suitable for battery-powered applications.

Advantages and Disadvantages

• Advantages:
  • Versatile and efficient for embedded control applications
  • Wide operating voltage range
  • Integrated peripherals reduce external component count
• Disadvantages:
  • Limited program memory size compared to some other microcontrollers
  • May require additional external components for certain applications

Working Principles

The PIC18F458-E/L operates based on the Harvard architecture, where program and data memories are separate. It executes instructions fetched from program memory and interacts with peripherals and I/O devices based on the program logic.

Detailed Application Field Plans

The PIC18F458-E/L is well-suited for a wide range of applications including: - Industrial automation systems - Consumer electronics - Automotive control systems - Home automation - Medical devices

Detailed and Complete Alternative Models

Some alternative models to the PIC18F458-E/L include: - PIC18F4685 - PIC18F2685 - PIC18F2585 - PIC18F4580

In conclusion, the PIC18F458-E/L offers a balance of performance, power efficiency, and integrated peripherals, making it a popular choice for various embedded control applications.

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