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ATMEGA32U4-MUR

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

IC MCU 8BIT 32KB FLASH 44VQFN

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包 VQFN-44
資料表 ATMEGA32U4-MUR DataSheet
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規格

Package	Bulk
Series	AVR® ATmega
ProductStatus	Active
CoreProcessor	AVR
CoreSize	8-Bit
Speed	16MHz
Connectivity	I²C, SPI, UART/USART, USB
Peripherals	Brown-out Detect/Reset, POR, PWM, WDT
NumberofI/O	26
ProgramMemorySize	32KB (16K x 16)
ProgramMemoryType	FLASH
EEPROMSize	1K x 8
RAMSize	2.5K x 8
Voltage-Supply(Vcc/Vdd)	2.7V ~ 5.5V
DataConverters	A/D 12x10b
OscillatorType	Internal
OperatingTemperature	-40°C ~ 85°C (TA)
MountingType	Surface Mount
Package/Case	44-VFQFN Exposed Pad

概述

Description

The ATmega32U4-MUR is a microcontroller from Microchip Technology, part of the AVR family. It features an 8-bit architecture with a 16 MHz clock speed and is notable for its integrated USB functionality, allowing it to act as a USB device without the need for additional components. This makes it ideal for applications such as keyboards, mice, and custom USB peripherals.
Key specifications include 32 KB of flash memory, 2.5 KB of SRAM, and 1 KB of EEPROM, providing ample storage for code and data. The ATmega32U4 supports multiple interfaces, including UART, SPI, and I2C, making it versatile for communication with various sensors and modules.
Its built-in analog-to-digital converter (ADC) allows for precise readings from analog inputs, while the 26 general-purpose I/O pins provide flexibility for various projects. The ATmega32U4-MUR is commonly used in development boards like the Arduino Leonardo, making it accessible for hobbyists and professionals alike.

Features

The ATmega32U4-MUR is a microcontroller from Microchip's AVR family, featuring:
1. Architecture: 8-bit AVR RISC with 32 registers.
2. Clock Speed: Operates at up to 16 MHz.
3. Memory: 32 KB Flash memory, 2.5 KB SRAM, and 1 KB EEPROM.
4. I/O Ports: 26 general-purpose I/O lines with multiplexed functions.
5. Communication Interfaces: USB 2.0 full-speed interface, SPI, I2C, and UART.
6. Timers: 5 timers (3 timers with PWM capability).
7. ADC: 10-bit ADC with up to 8 channels.
8. Operating Voltage: 2.7V to 5.5V.
9. Sleep Modes: Multiple low-power modes for energy efficiency.
10. Integrated USB: Enables direct connection to USB devices, making it ideal for keyboard/mouse applications.
This microcontroller is widely used in projects requiring USB functionality, such as Arduino Leonardo.

Package

The ATMEGA32U4-MUR is typically available in a 32-pin TQFP (Thin Quad Flat Package) form factor. It features a compact design suitable for various applications, including USB devices.

Pinout

The ATmega32U4-MUR is a microcontroller with a pin count of 32. It features a 16-bit AVR RISC architecture and operates at a maximum clock speed of 16 MHz.
Key functions of the pins include:
- Digital I/O: 24 pins can be configured as general-purpose I/O.
- Analog Inputs: 12 pins serve as analog inputs with an integrated 10-bit ADC.
- PWM Outputs: Up to 7 pins support Pulse Width Modulation (PWM) outputs.
- Serial Communication: Includes UART, SPI, and I2C interfaces for various communication protocols.
- USB Interface: It has a built-in USB controller, allowing for direct USB connections.
The ATmega32U4 is commonly used in applications like Arduino Leonardo and other embedded systems where USB connectivity is required.

Manufacturer

The ATMEGA32U4-MUR is manufactured by Microchip Technology Inc., an American company that specializes in microcontroller and analog semiconductor products. Founded in 1989, Microchip is known for its extensive range of embedded control solutions, including microcontrollers, digital signal controllers, and memory products. The company primarily serves various industries, such as automotive, industrial, consumer electronics, and communication, by providing innovative and cost-effective solutions for embedded systems. Their products are widely used in applications like IoT devices, automation, and robotics, making Microchip a key player in the electronics sector.

Application

The ATmega32U4-MUR is commonly used in various application areas, including:
1. Embedded Systems: Ideal for small, low-power devices.
2. USB Devices: Supports direct USB communication for peripherals.
3. Arduino Projects: Widely used in Arduino Leonardo and similar boards.
4. Robotics: Suitable for controlling motors and sensors.
5. Wearable Technology: Used in smartwatches and fitness trackers.
6. Consumer Electronics: Applicable in gadgets requiring microcontroller functionality.
Its versatility makes it a popular choice in hobbyist and professional applications.

Equivalent

Equivalent products to the ATmega32U4-MUR include the ATmega16U4, ATmega32U2, and other Microchip AVR microcontrollers with similar USB capabilities and pin configurations. The ATmega4809 and ATmega328P can also be considered, depending on the application requirements, although they may lack the built-in USB functionality. Always check the specific features and compatibility for your project.