PIC18F67J94T-I/PT

Introduction

The PIC18F67J94T-I/PT is a microcontroller belonging to the PIC18 family of 8-bit microcontrollers 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
• Characteristics: High-performance, low-power consumption, versatile I/O capabilities
• Package: TQFP (Thin Quad Flat Package)
• Essence: Integration of CPU, memory, and peripherals for embedded systems
• Packaging/Quantity: Tape & Reel, 250 units per reel

Specifications

• CPU: 8-bit
• Clock Speed: Up to 32 MHz
• Program Memory: 128 KB Flash
• RAM: 3.8 KB
• I/O Pins: 53
• Communication Interfaces: UART, SPI, I2C
• Analog-to-Digital Converter (ADC): 12-bit, 24 channels
• Operating Voltage: 2.0V - 3.6V
• Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The PIC18F67J94T-I/PT features a total of 80 pins, including power supply, ground, I/O, and communication interface pins. The pinout diagram and detailed pin descriptions can be found in the official datasheet provided by Microchip Technology.

Functional Features

• High-Performance CPU: Allows for efficient execution of control algorithms
• Versatile I/O Capabilities: Facilitates interfacing with various external devices and sensors
• Integrated Peripherals: Includes ADC, PWM, timers, and communication interfaces for comprehensive system integration

Advantages and Disadvantages

Advantages

• Low power consumption
• Extensive peripheral integration
• Wide operating voltage range

Disadvantages

• Limited RAM capacity
• Relatively small program memory compared to newer microcontrollers

Working Principles

The PIC18F67J94T-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 devices through its I/O ports and communication interfaces.

Detailed Application Field Plans

• Industrial Automation: Control of machinery, monitoring systems
• Consumer Electronics: Home appliances, IoT devices
• Embedded Control Applications: Automotive systems, medical devices

Detailed and Complete Alternative Models

• PIC18F66J94T-I/PT
• PIC18F87J94T-I/PT
• PIC18F86J94T-I/PT

In conclusion, the PIC18F67J94T-I/PT is a versatile microcontroller suitable for a wide range of embedded control applications, offering high performance and extensive peripheral integration. While it has certain limitations, its features make it a compelling choice for various electronic designs.

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