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ATMEGA32U4-AUR

Name: ATMEGA32U4-AUR
Rating: 4.7 (12 reviews)

IC MCU 8BIT 32KB FLASH 44TQFP

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データシート ATMEGA32U4-AUR DataSheet
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仕様

Series	AVR® ATmega
Part Status	Active
DigiKey Programmable	Not Verified
Core Processor	AVR
Core Size	8-Bit
Speed	16MHz
Connectivity	I2C, SPI, UART/USART, USB
Peripherals	Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O	26
Program Memory Size	32KB (16K x 16)
Program Memory Type	FLASH
EEPROM Size	1K x 8
RAM Size	2.5K x 8
Voltage - Supply (Vcc/Vdd)	2.7V ~ 5.5V
Data Converters	A/D 12x10b
Oscillator Type	Internal
Operating Temperature	-40°C ~ 85°C (TA)
Mounting Type	Surface Mount
Supplier Device Package	44-TQFP (10x10)
Package / Case	44-TQFP
Base Product Number	ATMEGA32

概要

Description

The ATmega32U4-AUR is a microcontroller from the Atmel (now part of Microchip Technology) AVR family. It features an 8-bit AVR architecture with 32KB of Flash memory, 2.5KB of SRAM, and 1KB of EEPROM. Operating at a maximum clock speed of 16 MHz, it supports various I/O operations, making it versatile for embedded applications.
One of its standout features is built-in USB connectivity, allowing it to function as a USB device without needing additional components, which is ideal for applications like keyboards, mice, and game controllers. The ATmega32U4 also includes several peripheral interfaces, such as SPI, I2C, and UART, enhancing its connectivity options.
Its low power consumption and ease of programming, often using the Arduino IDE, make it attractive for hobbyists and professionals alike. Overall, the ATmega32U4-AUR is a powerful, flexible choice for a wide range of projects in automation, robotics, and electronics.

Features

The ATmega32U4-AUR is a microcontroller from Atmel (now part of Microchip Technology) featuring the following key attributes:
1. Architecture: 8-bit AVR RISC architecture allowing 16 MIPS throughput at 16 MHz.
2. Memory: 32 KB of flash memory, 2.5 KB SRAM, and 1 KB EEPROM.
3. I/O Pins: 26 general-purpose I/O pins, with 5 pins capable of PWM output.
4. Communication Interfaces: Built-in USB 2.0 full-speed device, UART, SPI, and I2C interfaces.
5. Timers: Three timers (two 8-bit and one 16-bit) for precise timing control.
6. Analog Features: 10-bit ADC with up to 12 channels and a 16-bit DAC.
7. Power Efficiency: Operates at low power, making it suitable for battery-operated applications.
8. Operating Voltage: 2.7 to 5.5 volts.
9. Package: Available in a 32-pin QFN and TQFP package.
These features make it ideal for applications requiring USB connectivity and compact design, like keyboards and game controllers.

Package

The ATMEGA32U4-AUR is packaged in a 32-pin QFN (Quad Flat No-leads) format. This compact package type is designed for surface mounting, making it suitable for space-constrained applications in embedded systems.

Pinout

The ATmega32U4-AUR is a microcontroller from the AVR family, featuring a total of 32 pins. It has 24 I/O pins that can be configured as input or output, supporting various functions such as digital I/O, analog input, and communication interfaces.
Key features include:
- Digital I/O: 24 pins can be used for general-purpose digital input and output.
- Analog Input: 12 channels (ADC) for analog-to-digital conversion.
- Serial Communication: Supports UART, SPI, and I2C interfaces.
- PWM: 7 channels of PWM output.
- USB Interface: Integrated USB support for direct connection to USB devices.
- Power Supply: Operates at 5V with low power consumption.
Overall, the ATmega32U4-AUR is widely used in applications requiring USB communication, making it popular for projects like Arduino Leonardo and other embedded systems.

Manufacturer

The ATMEGA32U4-AUR is manufactured by Microchip Technology Inc., a leading semiconductor company. Microchip specializes in microcontrollers, memory, analog, and interface products. Founded in 1989 and based in Chandler, Arizona, Microchip serves a wide range of industries, including automotive, industrial, consumer, and aerospace, providing innovative solutions for embedded systems. The ATMEGA32U4 is particularly known for its USB connectivity and is commonly used in various applications, such as Arduino boards, making it popular among hobbyists and professionals alike.

Application

The ATmega32U4-AUR is commonly used in various application areas, including:
1. Embedded Systems: Ideal for microcontroller projects in robotics and automation.
2. USB Devices: Supports USB connectivity for keyboards, mice, and game controllers.
3. Wearable Technology: Used in fitness trackers and smartwatches.
4. IoT Projects: Suitable for sensor nodes and wireless communication.
5. Prototyping: Popular in hobbyist and educational platforms like Arduino Leonardo.
Its built-in USB functionality and versatility make it a preferred choice in these domains.

Equivalent

Equivalent products to the ATmega32U4-AUR include the ATmega16U4, ATmega32U2, and ATmega8U2. These chips also feature USB capabilities and similar pin configurations, making them suitable alternatives for applications requiring USB communication. Additionally, consider the Microchip PIC32 series or other ARM Cortex-M based microcontrollers for similar functionality, though they may require different development environments.