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ATMEGA32U4-MU

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

IC MCU 8BIT 32KB FLASH 44VQFN

제조업체
Mfr.부분 #ATMEGA32U4-MU
패키지 VQFN-44
데이터시트 ATMEGA32U4-MU DataSheet
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사양

Package	Tray
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

개요

Description

The ATmega32U4-MU is a microcontroller from Atmel (now part of Microchip Technology) belonging to the AVR family. It features a 16-bit AVR architecture with a maximum clock speed of 16 MHz, 32 KB of flash memory, 2.5 KB of SRAM, and 1 KB of EEPROM. Notably, the ATmega32U4 includes a built-in USB controller, allowing it to communicate directly with USB devices without needing an external USB interface, making it ideal for projects requiring USB connectivity.
The microcontroller is equipped with multiple input/output pins, analog-to-digital converters (ADC), timers, and PWM capabilities, making it versatile for various applications, including robotics, automation, and sensor interfacing. Due to its ease of use and USB support, it is popular in the Arduino community, often utilized in boards like the Arduino Leonardo and Micro. Its low power consumption and compact design make it suitable for portable and embedded applications.

Features

The ATmega32U4-MU is a microcontroller from Microchip's ATmega series, featuring:
- Architecture: 8-bit AVR RISC architecture.
- Clock Speed: Operates at up to 16 MHz.
- Memory: 32 KB of Flash memory (with 4 KB used by the bootloader), 2.5 KB SRAM, and 1 KB EEPROM.
- I/O Pins: 26 general-purpose I/O pins, with 5 capable of PWM output.
- Communication Interfaces: Supports UART, SPI, and I2C (TWI) for communication.
- USB Support: Integrated USB 2.0 controller, allowing for direct connection to USB devices, including HID (Human Interface Device) functionality.
- Timers/Counters: 3 Timer/Counters, including one with PWM capability.
- Analog Features: 10-bit ADC with 8 channels and a 16-bit programmable timer.
- Low Power Modes: Various power-saving modes for battery-operated applications.
- Operating Voltage: 2.7V to 5.5V.
These features make the ATmega32U4-MU suitable for various applications, including embedded systems and USB devices.

Package

The ATmega32U4-MU is packaged in a 32-pin QFN (Quad Flat No-lead) package type. This compact design allows for efficient use of space on printed circuit boards while providing multiple I/O options.

Pinout

The ATmega32U4-MU is a 32-pin microcontroller from Microchip Technology, part of the AVR family. It features a 16 MHz CPU, 32 KB of flash memory, 2.5 KB of SRAM, and 1 KB of EEPROM.
Pin Count and Functions:
- Total Pins: 32
- Power Pins: VCC, GND
- I/O Ports:
- Port B: 7 I/O pins (PB0 to PB6)
- Port C: 7 I/O pins (PC0 to PC6)
- Port D: 8 I/O pins (PD0 to PD7)
- Analog Inputs: 12 ADC channels (shared with I/O pins)
- Communication Interfaces:
- 1x USART
- 1x I2C (TWI)
- 1x SPI
- PWM Outputs: Up to 5 channels
- Timer/Counters: 3 timer/counters
- USB: Full-speed USB 2.0 interface
This configuration makes the ATmega32U4 versatile for applications including USB devices, robotics, and sensor interfacing.

Manufacturer

The ATMEGA32U4-MU is manufactured by Microchip Technology Inc., a prominent American semiconductor company. Founded in 1989, Microchip specializes in microcontrollers, memory products, and analog semiconductors. The company is well-known for its embedded control solutions, particularly in the development of microcontroller units (MCUs) like the ATmega series, which are widely used in various applications, including consumer electronics, automotive, and industrial systems. Microchip is recognized for its focus on innovation, quality, and customer support, making it a leader in the embedded systems industry.

Application

The ATmega32U4-MU microcontroller is widely used in various applications, including:
1. Embedded systems: Prototyping and development.
2. Human Interface Devices (HID): Keyboards, mice, and game controllers.
3. Wearable technology: Fitness trackers and health monitors.
4. Robotics: Motor control and sensor integration.
5. IoT devices: Wireless communication and data logging.
6. Educational projects: STEM learning kits and Arduino boards.

Its built-in USB support makes it ideal for applications requiring direct computer interfacing.

Equivalent

Equivalent products to the ATmega32U4-MU include the ATmega16U4, ATmega32U4-AU (with a different package), and the Microchip MCP2200 (though it has different functionality). Other alternatives are the SAMD21 (ARM Cortex-M0) and the ESP32 (with built-in Wi-Fi and Bluetooth), depending on the specific application requirements.