PIC18F458-I/L

Product Overview

Category

The PIC18F458-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 PIC18F458-I/L is available in a 44-pin plastic leaded chip carrier (PLCC) package.

Essence

The essence of the PIC18F458-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 PIC18F458-I/L is typically packaged in reels, with each reel containing a specific quantity of microcontrollers. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Architecture: 8-bit
• Program Memory Size: 32 KB
• RAM Size: 1.5 KB
• Operating Voltage Range: 2.0V to 5.5V
• Maximum Speed: 40 MHz
• Number of I/O Pins: 36
• ADC Channels: 13
• Timers: 4
• Communication Interfaces: UART, SPI, I2C

Detailed Pin Configuration

The PIC18F458-I/L features a total of 44 pins, each serving a specific purpose. The pin configuration is as follows:

• Pins 1-20: General-purpose I/O pins
• Pins 21-28: Analog-to-digital converter (ADC) channels
• Pins 29-32: Timer inputs/outputs
• Pins 33-36: Communication interface pins (UART, SPI, I2C)
• Pins 37-44: Power supply and ground pins

Functional Features

• High-performance RISC CPU
• Flash program memory with self-read/write capability
• Enhanced capture/compare/PWM (CCP) modules
• Analog-to-digital converter (ADC) with multiple channels
• Serial communication interfaces (UART, SPI, I2C)
• Timers and counters for precise timing operations
• Interrupt handling for efficient event-driven programming

Advantages and Disadvantages

Advantages

• High-performance architecture enables fast and efficient processing
• Wide operating voltage range allows for flexibility in various applications
• Low power consumption prolongs battery life in portable devices
• Enhanced peripheral integration reduces the need for external components
• Ample program memory size and RAM for complex applications

Disadvantages

• Limited number of I/O pins may restrict the connectivity options in certain projects
• 8-bit architecture may not be suitable for applications requiring higher computational capabilities
• Lack of built-in wireless communication modules may require additional components for wireless connectivity

Working Principles

The PIC18F458-I/L operates based on the principles of a RISC (Reduced Instruction Set Computer) architecture. It executes instructions stored in its flash program memory to perform various tasks. The microcontroller interacts with external devices through its I/O pins and communicates with other devices using the available serial communication interfaces.

Detailed Application Field Plans

The PIC18F458-I/L finds application in a wide range of fields, including but not limited to: - Industrial automation - Consumer electronics - Automotive systems - Medical devices - Home automation - Internet of Things (IoT) devices

Detailed and Complete Alternative Models

• PIC18F458: Similar to PIC18F458-I/L, but without the PLCC package option.
• PIC18F468-I/L: A higher-end version with increased program memory and additional features.
• PIC16F877A: An alternative 8-bit microcontroller with similar capabilities but a different pin configuration.
• PIC32MX270F256D: A 32-bit microcontroller with enhanced processing power and additional features.

These alternative models offer varying specifications and features, allowing users to choose the most suitable microcontroller for their specific application requirements.

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