PIC18C858T-I/PT

Introduction

The PIC18C858T-I/PT is a microcontroller belonging to the PIC18 family of microcontrollers produced 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 PIC18C858T-I/PT is used for embedded control applications in various electronic devices and systems.
• Characteristics: It features high performance, low power consumption, and a wide range of peripherals for interfacing with other components.
• Package: The PIC18C858T-I/PT is available in a 44-pin TQFP (Thin Quad Flat Package).
• Essence: The essence of this microcontroller lies in its ability to provide efficient control and processing capabilities in embedded systems.
• Packaging/Quantity: It is typically supplied in tape and reel packaging with a quantity specified by the manufacturer.

Specifications

• Architecture: 8-bit
• CPU Speed: Up to 40 MHz
• Program Memory Size: 32 KB
• RAM Size: 1536 bytes
• Digital I/O Pins: 36
• Analog Input Pins: 12
• Communication Interfaces: UART, SPI, I2C
• Operating Voltage Range: 2.0V to 5.5V
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The PIC18C858T-I/PT has a total of 44 pins, each serving specific functions related to input/output, power supply, communication interfaces, and other peripheral connections. A detailed pinout diagram and description can be found in the product datasheet provided by the manufacturer.

Functional Features

• High-Speed Processing: The microcontroller operates at speeds of up to 40 MHz, enabling rapid data processing and control tasks.
• Peripheral Integration: It offers a wide range of integrated peripherals such as timers, PWM modules, ADC, and communication interfaces, reducing the need for external components.
• Low Power Consumption: The device is designed for low power operation, making it suitable for battery-powered applications.
• Flexible I/O Configuration: The digital and analog I/O pins provide flexibility for interfacing with various sensors, actuators, and external devices.

Advantages and Disadvantages

Advantages

• High performance
• Low power consumption
• Rich set of integrated peripherals
• Flexible I/O configuration

Disadvantages

• Limited program memory size compared to some other microcontrollers in the same category
• Limited RAM size for certain applications

Working Principles

The PIC18C858T-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 components through its I/O pins and communication interfaces. The microcontroller follows a sequential execution model, processing instructions to perform specific tasks as per the program loaded into its memory.

Detailed Application Field Plans

The PIC18C858T-I/PT finds applications in various fields, including: - Industrial automation - Consumer electronics - Automotive systems - Medical devices - Home appliances - Internet of Things (IoT) devices

In these fields, the microcontroller is utilized for tasks such as sensor interfacing, motor control, data acquisition, communication protocols implementation, and overall system control.

Detailed and Complete Alternative Models

Some alternative models to the PIC18C858T-I/PT include: - PIC18F4520 - PIC18F4620 - PIC18F8722 - PIC18F8723

These alternatives offer varying combinations of program memory size, RAM size, and peripheral configurations, providing options for designers based on their specific application requirements.

In conclusion, the PIC18C858T-I/PT microcontroller from Microchip Technology offers a balance of performance, power efficiency, and integrated peripherals, making it suitable for a wide range of embedded control applications across different industries.

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