PIC18LF25K40T-I/ML

Introduction

The PIC18LF25K40T-I/ML is a microcontroller belonging to the PIC18 family of microcontrollers produced 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: The PIC18LF25K40T-I/ML is designed for embedded control applications in various fields such as automotive, industrial, consumer, and medical devices.
• Characteristics: Low power consumption, high performance, and versatile peripherals.
• Package: 28-pin QFN (Quad Flat No-Lead) package.
• Essence: The microcontroller integrates a wide range of features and peripherals to support diverse embedded control applications.
• Packaging/Quantity: The PIC18LF25K40T-I/ML is available in tape and reel packaging with a quantity of 2500 units per reel.

Specifications

• Architecture: 8-bit
• CPU Speed: Up to 64 MHz
• Program Memory Size: 32 KB Flash
• RAM Size: 2 KB
• Operating Voltage Range: 1.8V to 5.5V
• Digital I/O Pins: 25
• Analog Input Pins: 12
• Communication Interfaces: UART, SPI, I2C
• Timers: 4 x 8-bit, 1 x 16-bit
• Comparators: 2
• ADC: 10-bit, up to 24 channels

Detailed Pin Configuration

The PIC18LF25K40T-I/ML features a 28-pin QFN package with specific pin assignments for various functions, including digital I/O, analog input, communication interfaces, timers, and power supply.

Functional Features

• High-Performance CPU: The microcontroller operates at speeds of up to 64 MHz, enabling rapid execution of control algorithms.
• Versatile Peripherals: Integrated communication interfaces, analog-to-digital converters, and timers provide flexibility for interfacing with external components.
• Low Power Consumption: The device includes power-saving features to minimize energy usage in battery-powered applications.

Advantages and Disadvantages

Advantages

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

Disadvantages

• Limited program memory size compared to some competing microcontrollers
• Limited number of comparators and ADC channels

Working Principles

The PIC18LF25K40T-I/ML operates based on the Harvard architecture, featuring separate program and data memories. The CPU fetches instructions from program memory and executes them, while data memory is used for variable storage and temporary data manipulation.

Detailed Application Field Plans

The microcontroller is suitable for a wide range of embedded control applications, including: - Automotive: Engine control, dashboard displays, and body control modules - Industrial: Process control, monitoring systems, and automation equipment - Consumer: Home appliances, smart devices, and IoT applications - Medical Devices: Patient monitoring, diagnostic equipment, and wearable health devices

Detailed and Complete Alternative Models

• PIC18F25K40-I/ML: Similar features with a smaller memory size
• PIC18LF26K40-I/ML: Higher memory capacity and additional peripherals
• PIC18LF25K22-I/ML: Lower pin count with reduced peripheral integration

In conclusion, the PIC18LF25K40T-I/ML microcontroller offers a balance of performance, versatility, and low power consumption, making it suitable for a wide range of embedded control applications across various industries.

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