PIC18F85K22T-I/PT

Introduction

The PIC18F85K22T-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, consumer electronics
• Characteristics: High performance, low power consumption, versatile I/O capabilities
• Package: TQFP-44
• Essence: Integration of advanced features for efficient control and processing
• 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
• Digital I/O Pins: 36
• Analog Input Pins: 13
• Communication Interfaces: SPI, I2C, UART
• Operating Voltage: 2.3V to 5.5V
• Temperature Range: -40°C to 125°C

Detailed Pin Configuration

• Pin 1: VDD (Power Supply)
• Pin 2: RA0/AN0 (Analog Input/Output)
• ...
• Pin 44: VSS (Ground)

Functional Features

• Enhanced core with 16-level deep hardware stack
• Precision internal oscillator
• Peripheral Pin Select (PPS) for flexible pin mapping
• Enhanced Universal Synchronous Asynchronous Receiver Transmitter (EUSART)
• 10-bit Analog-to-Digital Converter (ADC) with Computation (ADC2)

Advantages and Disadvantages

Advantages

• High-speed processing capability
• Low power consumption
• Versatile I/O options
• Flexible pin mapping
• Integrated analog-to-digital conversion

Disadvantages

• Limited program memory size for complex applications
• Relatively higher cost compared to some alternatives

Working Principles

The PIC18F85K22T-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 I/O pins and communication interfaces.

Detailed Application Field Plans

• Industrial automation: Control of machinery and processes
• Consumer electronics: Home appliances, entertainment systems
• Automotive: Engine control, dashboard displays
• Medical devices: Monitoring and diagnostic equipment

Detailed and Complete Alternative Models

• PIC18F45K22-I/PT
• PIC18F65K22-I/PT
• PIC18F85K22-I/PT

In conclusion, the PIC18F85K22T-I/PT microcontroller offers high performance and versatile features suitable for a wide range of embedded control applications. Its integration of advanced functionalities makes it a preferred choice for designers seeking efficient and reliable microcontroller solutions.

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