PIC16C642T-20/SO

Introduction

The PIC16C642T-20/SO is a microcontroller belonging to the PIC16 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.

Product Overview

Category

The PIC16C642T-20/SO belongs to the category of 8-bit microcontrollers, specifically designed for embedded control applications.

Use

It is commonly used in various embedded systems such as automotive, industrial control, consumer electronics, and communication devices.

Characteristics

• Low power consumption
• High-performance RISC CPU
• On-chip peripherals for enhanced functionality
• Wide operating voltage range

Package

The PIC16C642T-20/SO is available in a small outline (SO) package, which is suitable for space-constrained applications.

Essence

The essence of this microcontroller lies in its ability to provide efficient and reliable control in embedded systems while minimizing power consumption.

Packaging/Quantity

It is typically supplied in tape and reel packaging with a quantity of 2500 units per reel.

Specifications

• Operating Voltage: 2.5V to 5.5V
• Maximum Clock Frequency: 20 MHz
• Program Memory Size: 14 KB
• RAM Size: 368 bytes
• I/O Pins: 22
• Timers: 3
• Analog-to-Digital Converter (ADC): 8 channels, 10-bit resolution

Detailed Pin Configuration

The detailed pin configuration of the PIC16C642T-20/SO can be found in the official datasheet provided by Microchip Technology.

Functional Features

• Enhanced core architecture for improved performance
• Integrated peripherals including timers, USART, and ADC
• Power-saving modes for low-power operation
• Flexible I/O capabilities for versatile interfacing

Advantages and Disadvantages

Advantages

• Low power consumption extends battery life in portable applications
• Integrated peripherals reduce external component count and PCB footprint
• Wide operating voltage range enhances compatibility with different power sources

Disadvantages

• Limited program memory size may restrict the complexity of applications
• Limited RAM size may constrain data processing capabilities in certain applications

Working Principles

The PIC16C642T-20/SO operates based on the Harvard architecture, where program and data memories are separate. It executes instructions from program memory and utilizes on-chip peripherals to interface with external components, enabling precise control and data acquisition.

Detailed Application Field Plans

Automotive

In automotive applications, the PIC16C642T-20/SO can be used for engine control, dashboard instrumentation, and sensor interfacing due to its low power consumption and robust peripheral set.

Industrial Control

For industrial control systems, this microcontroller can facilitate process monitoring, motor control, and equipment automation with its versatile I/O capabilities and integrated timers.

Consumer Electronics

In consumer electronics, the PIC16C642T-20/SO can be employed in smart home devices, remote controls, and wearable gadgets, leveraging its low power operation and compact package.

Communication Devices

Communication devices such as IoT nodes, sensor hubs, and data loggers can benefit from the PIC16C642T-20/SO's integrated ADC, USART, and power-saving features.

Detailed and Complete Alternative Models

• PIC16F684: Offers similar functionality with enhanced program memory and I/O capabilities
• PIC16F877A: Provides expanded memory and peripheral set for more complex applications
• PIC18F45K22: Features advanced peripherals and higher performance for demanding embedded systems

In conclusion, the PIC16C642T-20/SO is a versatile 8-bit microcontroller suitable for a wide range of embedded control applications, offering a balance of performance, power efficiency, and integrated peripherals.

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