PIC18LF55K42-I/PT

Introduction

The PIC18LF55K42-I/PT belongs to the category of microcontrollers and is widely used in various electronic applications. This entry provides an overview of its basic information, 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 systems, automation, IoT devices
• Characteristics: Low power consumption, high performance, versatile I/O capabilities
• Package: TQFP-44
• Essence: 8-bit microcontroller with integrated peripherals
• Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

• Architecture: 8-bit
• CPU Speed: Up to 64 MHz
• Program Memory Size: 32 KB Flash
• RAM Size: 3.8 KB
• Data EEPROM Size: 256 bytes
• Operating Voltage Range: 1.8V to 5.5V
• Digital I/O Pins: 36
• Analog Input Pins: 12
• Communication Interfaces: UART, SPI, I2C
• Timers: 4 x 8-bit, 3 x 16-bit
• Comparators: 2
• ADC: 10-bit, 35 channels

Detailed Pin Configuration

• Pin 1: VDD
• Pin 2: RB0/AN12
• ...
• Pin 44: VSS

Functional Features

• Integrated ADC for analog signal processing
• Enhanced USART module for serial communication
• Flexible PWM modules for precise motor control
• Capacitive touch sensing support
• Configurable logic cells for custom digital logic implementation

Advantages and Disadvantages

Advantages

• High-speed processing capability
• Low power consumption
• Rich peripheral integration
• Extensive community support and resources

Disadvantages

• Limited program memory for complex applications
• Relatively fewer analog input pins compared to some competitors

Working Principles

The PIC18LF55K42-I/PT operates based on the Harvard architecture, where program and data memories are separate. It executes instructions fetched from program memory and interacts with external devices through its versatile I/O interfaces.

Detailed Application Field Plans

• Industrial automation: Control of motors, sensors, and actuators
• Consumer electronics: Smart home devices, IoT endpoints
• Automotive: Engine control, dashboard displays
• Medical devices: Patient monitoring, diagnostic equipment

Detailed and Complete Alternative Models

• PIC18F45K42-I/PT
• PIC18LF25K42-I/PT
• PIC18F65K42-I/PT
• PIC18LF26K42-I/PT

In conclusion, the PIC18LF55K42-I/PT microcontroller offers a balance of performance, power efficiency, and integrated peripherals, making it suitable for a wide range of embedded control applications.

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