PIC18F85K90-E/PT

Introduction

The PIC18F85K90-E/PT is a microcontroller belonging to the PIC18 family of microcontrollers developed by Microchip Technology. This entry provides an overview of the product, including its category, use, characteristics, package, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

• Category: Microcontroller
• Use: Embedded control applications
• Characteristics: High-performance, low-power consumption, versatile peripherals
• Package: 44-pin TQFP
• Essence: Integration of advanced features for embedded control applications
• Packaging/Quantity: Tape & Reel, 1600 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 bytes
• Operating Voltage Range: 2.3V to 5.5V
• Digital I/O Pins: 36
• Analog Input Pins: 13
• Communication Interfaces: UART, SPI, I2C
• Timers: 4 x 8-bit, 1 x 16-bit
• Comparators: 2
• ADC Channels: 24

Detailed Pin Configuration

The PIC18F85K90-E/PT features a 44-pin TQFP package with detailed pin configurations for digital I/O, analog inputs, communication interfaces, timers, and power supply.

Functional Features

• High-Performance CPU: Operates at up to 64 MHz for rapid execution of instructions.
• Versatile Peripherals: Integrated peripherals such as UART, SPI, I2C, and ADC for diverse application support.
• Low-Power Consumption: Enables energy-efficient operation in battery-powered applications.
• Enhanced Connectivity: Multiple communication interfaces facilitate seamless integration with external devices.

Advantages and Disadvantages

Advantages

• High processing speed
• Versatile peripheral integration
• Low power consumption
• Enhanced connectivity options

Disadvantages

• Limited program memory size for complex applications
• Restricted RAM size for data-intensive operations

Working Principles

The PIC18F85K90-E/PT operates on the principle of executing embedded control instructions stored in its program memory. It interacts with external components through its integrated peripherals and processes input data to produce desired output responses.

Detailed Application Field Plans

The PIC18F85K90-E/PT is well-suited for various embedded control applications, including: - Industrial automation - Consumer electronics - Automotive systems - Medical devices - Home appliances

Detailed and Complete Alternative Models

• PIC18F87K90-E/PT: Similar features with expanded program memory
• PIC18F86K90-E/PT: Enhanced RAM size for data-intensive applications
• PIC18F84K90-E/PT: Cost-effective option with reduced peripheral integration

In conclusion, the PIC18F85K90-E/PT offers a balance of performance, power efficiency, and peripheral integration, making it suitable for a wide range of embedded control applications.

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