PIC18LF55K42T-I/MV

Introduction

The PIC18LF55K42T-I/MV is a microcontroller belonging to the PIC18 family, designed and manufactured by Microchip Technology. This entry provides an overview of the product, including its category, use, characteristics, package, essence, packaging/quantity, specifications, detailed pin configuration, functional features, advantages and disadvantages, working principles, detailed application field plans, and alternative models.

Basic Information Overview

• Category: Microcontroller
• Use: Embedded control applications
• Characteristics: Low power consumption, high performance, versatile peripherals
• Package: 44-pin QFN
• Essence: Integration of advanced features for embedded control
• Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

• Architecture: 8-bit
• CPU Speed: Up to 64 MHz
• Program Memory Size: 32 KB
• RAM Size: 3.8 KB
• Data EEPROM Size: 256 B
• Operating Voltage Range: 1.8V to 5.5V
• Temperature Range: -40°C to +125°C
• Communication Interfaces: UART, SPI, I2C
• Analog-to-Digital Converter (ADC): 12-bit, up to 24 channels

Detailed Pin Configuration

The PIC18LF55K42T-I/MV features a 44-pin QFN package with specific pin assignments for power, ground, communication interfaces, analog inputs, and general-purpose I/O. A detailed pinout diagram is available in the product datasheet.

Functional Features

• High-Performance CPU: The microcontroller operates at speeds of up to 64 MHz, enabling rapid execution of instructions.
• Versatile Peripherals: Integrated modules for communication, analog input, and digital I/O provide flexibility for diverse applications.
• Low Power Consumption: Enhanced low-power modes and efficient clock management contribute to energy-efficient operation.

Advantages and Disadvantages

Advantages

• High processing speed
• Versatile peripheral integration
• Low power consumption

Disadvantages

• Limited program memory size for complex applications
• Restricted temperature range compared to industrial-grade microcontrollers

Working Principles

The PIC18LF55K42T-I/MV operates based on the Harvard architecture, featuring separate program and data memory spaces. It executes instructions fetched from program memory and interacts with external devices through its integrated peripherals.

Detailed Application Field Plans

The microcontroller is suitable for various embedded control applications, including but not limited to: - Industrial automation - Consumer electronics - Automotive systems - Medical devices

Detailed and Complete Alternative Models

• PIC18F45K42-I/P: Similar architecture with lower pin count
• PIC18LF45K42-I/PT: Low-power variant with extended temperature range
• PIC18F65K42-I/PT: Higher program memory size for more complex applications

In conclusion, the PIC18LF55K42T-I/MV microcontroller offers a balance of performance, versatility, and power efficiency, making it suitable for a wide range of embedded control applications.

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