PIC18F85K22-I/PT

Introduction

The PIC18F85K22-I/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, 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 PIC18F85K22-I/PT is used in various embedded control applications such as industrial automation, consumer electronics, automotive systems, and more.
• Characteristics: It features high performance, low power consumption, and a wide range of peripherals for versatile applications.
• Package: The PIC18F85K22-I/PT is available in a 44-pin TQFP package.
• Essence: It is designed to provide efficient and reliable control in embedded systems.
• Packaging/Quantity: The PIC18F85K22-I/PT is typically supplied in tape and reel packaging with a quantity of 250 units per reel.

Specifications

• Architecture: 8-bit
• CPU Speed: Up to 64 MHz
• Program Memory Size: 32 KB
• RAM Size: 3.67 KB
• Digital I/O Pins: 36
• Analog Input Pins: 13
• Communication Interfaces: UART, SPI, I2C
• Operating Voltage Range: 2.0V to 5.5V
• Temperature Range: -40°C to 125°C
• Data EEPROM: 256 bytes
• Timers: 4 x 8-bit, 1 x 16-bit

Detailed Pin Configuration

The PIC18F85K22-I/PT features a total of 44 pins, including digital I/O, analog input, communication, and power supply pins. The pinout configuration is designed to facilitate easy integration into various electronic designs.

Functional Features

• High-Performance CPU: The microcontroller operates at speeds of up to 64 MHz, enabling rapid execution of instructions.
• Versatile Peripherals: It offers a wide range of peripherals including ADC, PWM, timers, and communication interfaces for flexible system integration.
• Low Power Consumption: The device is designed to minimize power consumption, making it suitable for battery-powered applications.
• Enhanced Connectivity: With multiple communication interfaces, the microcontroller facilitates seamless interaction with other devices.

Advantages and Disadvantages

Advantages

• High-performance architecture
• Versatile peripheral set
• Low power consumption
• Wide operating voltage range

Disadvantages

• Limited program memory size compared to some competing models
• Limited data EEPROM capacity

Working Principles

The PIC18F85K22-I/PT operates based on the Harvard architecture, featuring separate program and data memory spaces. It executes instructions fetched from program memory and interacts with external components through its various peripherals and I/O pins.

Detailed Application Field Plans

The PIC18F85K22-I/PT is well-suited for a wide range of applications including: - Industrial automation systems - Consumer electronics products - Automotive control systems - Medical devices - Home automation solutions

Detailed and Complete Alternative Models

Some alternative models to the PIC18F85K22-I/PT include: - PIC18F87K22-I/PT: Offers higher program memory size and additional peripherals - PIC18F65K22-I/PT: Provides a lower-cost option with reduced peripheral set - PIC18F86K22-I/PT: Features enhanced communication interfaces and larger RAM capacity

In conclusion, the PIC18F85K22-I/PT microcontroller from Microchip Technology offers a balance of performance, versatility, and power efficiency, making it a suitable choice for a wide range of embedded control applications.

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