AT90PWM3B-16MU

Introduction

The AT90PWM3B-16MU is a microcontroller belonging to the AT90PWM 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: The AT90PWM3B-16MU is commonly used in applications requiring precise control of pulse-width modulation (PWM) signals, such as motor control, power management, and lighting systems.
• Characteristics: This microcontroller features high-performance PWM functionality, low-power consumption, and a wide operating voltage range.
• Package: The AT90PWM3B-16MU is available in a compact 32-lead QFN package.
• Essence: The essence of this microcontroller lies in its ability to efficiently generate and control PWM signals for various applications.
• Packaging/Quantity: It is typically supplied in tape and reel packaging with a quantity of 250 units per reel.

Specifications

• Architecture: 8-bit AVR
• Flash Memory: 16 KB
• SRAM: 1 KB
• EEPROM: 512 Bytes
• Operating Voltage: 2.7V - 5.5V
• Max CPU Speed: 16 MHz
• Number of I/O Pins: 23
• Communication Interfaces: UART, SPI, I2C
• Analog-to-Digital Converter (ADC): 10-bit, 8 channels
• Timers/Counters: 3
• Comparators: 1
• PWM Channels: 4
• Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The AT90PWM3B-16MU features a total of 32 pins, including digital I/O pins, analog input pins, power supply pins, and communication interface pins. A detailed pinout diagram can be found in the product datasheet.

Functional Features

• High-Performance PWM: The microcontroller offers advanced PWM capabilities, making it suitable for precision control applications.
• Low-Power Operation: With its low-power consumption, the AT90PWM3B-16MU is ideal for battery-powered or energy-efficient designs.
• Flexible Communication Interfaces: It supports multiple communication interfaces, enabling seamless integration with other devices and peripherals.

Advantages and Disadvantages

Advantages

• Precise PWM control
• Low power consumption
• Wide operating voltage range
• Multiple communication interfaces

Disadvantages

• Limited flash memory and SRAM compared to higher-end microcontrollers
• Limited number of PWM channels for complex applications

Working Principles

The AT90PWM3B-16MU operates based on the 8-bit AVR architecture, utilizing its internal resources to execute programmed instructions and control external devices through PWM signals. It employs a combination of hardware and software to achieve precise PWM generation and control.

Detailed Application Field Plans

The microcontroller is well-suited for a variety of applications, including: - Brushless DC motor control - Power supply management - LED lighting control - Battery charging systems - Solar power inverters

Detailed and Complete Alternative Models

• ATmega328P: Offers higher flash memory and more I/O pins
• ATtiny85: Compact and low-cost alternative for simpler applications
• ATmega2560: Provides expanded memory and I/O capabilities for complex projects

In conclusion, the AT90PWM3B-16MU microcontroller from Microchip Technology is a versatile solution for applications requiring precise PWM control and low-power operation. Its compact form factor and advanced features make it suitable for a wide range of embedded system designs.

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