PIC18F8621-I/PT

Introduction

The PIC18F8621-I/PT is a microcontroller belonging to the PIC18 family, designed and manufactured 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: Embedded control applications, industrial automation, consumer electronics, automotive systems
• Characteristics: High-performance, low-power consumption, versatile peripherals, enhanced core features
• Package: 80-pin TQFP (Thin Quad Flat Package)
• Essence: Advanced microcontroller with integrated features for diverse applications
• Packaging/Quantity: Tape & Reel, 250 units per reel

Specifications

• Architecture: 8-bit
• CPU Speed: Up to 40 MHz
• Program Memory Size: 64 KB Flash
• RAM Size: 3.8 KB
• Data EEPROM Size: 256 Bytes
• I/O Pins: 68
• Timers: 4 x 8-bit, 3 x 16-bit
• Analog-to-Digital Converter (ADC): 10-bit, 13 channels
• Communication Interfaces: UART, SPI, I2C
• Operating Voltage: 2.0V - 5.5V
• Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The PIC18F8621-I/PT features an 80-pin TQFP package with specific pin assignments for various functions, including I/O, power, communication, and programming. The detailed pin configuration can be found in the official datasheet provided by Microchip Technology.

Functional Features

• Enhanced Core Features: High-speed core, optimized for C compiler efficiency
• Versatile Peripherals: Rich set of peripherals for interfacing with external devices
• Low-Power Operation: Multiple power-saving modes for energy-efficient operation
• Enhanced Connectivity: Multiple communication interfaces for seamless integration
• Security Features: Hardware and software security features for data protection

Advantages and Disadvantages

Advantages

• High performance and speed
• Versatile peripheral integration
• Low-power consumption
• Enhanced security features

Disadvantages

• Limited program memory size for some applications
• Higher cost compared to basic microcontrollers

Working Principles

The PIC18F8621-I/PT operates based on the Harvard architecture, featuring separate program and data memories. It executes instructions fetched from program memory and interacts with peripherals and external devices to perform specific tasks. The microcontroller's working principles are governed by its internal architecture and the programmed instructions.

Detailed Application Field Plans

The PIC18F8621-I/PT is suitable for a wide range of applications, including but not limited to: - Industrial Automation: Control systems, monitoring devices - Consumer Electronics: Home appliances, IoT devices - Automotive Systems: Engine control, dashboard displays - Embedded Control Applications: Robotics, sensor interfacing

Detailed and Complete Alternative Models

• PIC18F8722-I/PT: Higher program memory size, additional peripherals
• PIC18F8520-I/PT: Lower program memory size, cost-effective solution
• PIC18F8620-I/PT: Similar features with different pin configurations

In conclusion, the PIC18F8621-I/PT is a versatile microcontroller suitable for a wide range of embedded control applications, offering high performance, low-power operation, and enhanced connectivity. Its rich set of peripherals and security features make it an ideal choice for demanding industrial, consumer, and automotive applications.

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