ATMEGA32U2-AU

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ATMEGA32U2-AU

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IC MCU 8BIT 32KB FLASH 32TQFP

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Thông số kỹ thuật

thuộc tính Giá trị
Package Tray
Series AVR® ATmega
ProductStatus Active
CoreProcessor AVR
CoreSize 8-Bit
Speed 16MHz
Connectivity SPI, UART/USART, USB
Peripherals Brown-out Detect/Reset, POR, PWM, WDT
NumberofI/O 22
ProgramMemorySize 32KB (16K x 16)
ProgramMemoryType FLASH
EEPROMSize 1K x 8
RAMSize 1K x 8
Voltage-Supply(Vcc/Vdd) 2.7V ~ 5.5V
OscillatorType Internal
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 32-TQFP

Tổng quan

Description

The ATmega32U2-AU is an 8-bit microcontroller from Microchip’s AVR family, featuring a USB 2.0 full-speed interface, making it ideal for USB-enabled applications like HID devices (keyboards, mice).
Key Features:
- 16MHz operating frequency
- 32KB Flash, 1KB EEPROM, 2.5KB SRAM
- 24 programmable I/O pins
- 12-bit ADC, PWM, USART, SPI, I²C
- Low-power modes for energy efficiency
Its 32-pin TQFP package (AU suffix) ensures compact integration. The built-in USB controller eliminates the need for external components, simplifying designs.
Applications: USB gadgets, embedded systems, and custom peripherals.
For development, tools like Atmel Studio/Microchip MPLAB X and AVRDUDE are commonly used.
A cost-effective, versatile MCU for USB-centric projects.

Equivalent

Equivalent products to the ATMEGA32U2-AU include:
- ATMEGA32U4-AU (more flash, USB 2.0).
- ATMEGA16U2-AU (less flash/memory).
- AT90USB1286 (higher-end, more features).
- STM32F103 (ARM-based alternative).
- PIC18F4550 (Microchip alternative).
These offer similar USB functionality or enhanced specs. Check pin compatibility and features for your application.

Features

The ATmega32U2-AU is an 8-bit AVR microcontroller with USB 2.0 full-speed support. Key features:
- Core: 8-bit AVR, up to 8 MHz clock speed.
- Memory: 32 KB Flash, 1 KB EEPROM, 1 KB SRAM.
- USB: Built-in USB 2.0 Full-Speed controller (no external crystal needed).
- I/O: 22 programmable I/O pins, including UART, SPI, I²C.
- Timers: 2x 8-bit, 1x 16-bit timers with PWM.
- ADC: 10-bit, 8-channel.
- Packaging: 32-pin TQFP (AU).
- Power: 2.7V–5.5V operating voltage.
- Peripherals: Comparator, Watchdog Timer, USART.
Ideal for USB-enabled embedded applications like HID devices.

Pinout

The ATMEGA32U2-AU is a 32-pin microcontroller from Microchip. Key features include:
- Pin Count: 32 (TQFP package).
- Core: 8-bit AVR with 32KB Flash, 1KB EEPROM, and 2.5KB SRAM.
- USB 2.0: Full-speed (12Mbps) support, ideal for USB devices.
- I/O Pins: 26 programmable GPIOs.
- Peripherals:
- 4x PWM channels
- 10-bit ADC (8 channels)
- USART, SPI, I²C
- Timer/counters (8/16-bit)
- Clock Speed: Up to 16MHz (internal or external).
Commonly used in USB controllers, HID devices (keyboards, mice), and embedded systems.

Manufacturer

The ATMEGA32U2-AU is manufactured by Microchip Technology, a leading American semiconductor company. Microchip specializes in microcontrollers, analog, and Flash-IP solutions, serving industries like automotive, industrial, and consumer electronics. They acquired Atmel (the original developer of the ATmega series) in 2016, integrating its products into their portfolio. The ATMEGA32U2-AU is an 8-bit AVR microcontroller with USB functionality, commonly used in embedded systems.
Microchip is known for reliable, low-power chips and a broad product range, making it a key player in the semiconductor market.

Application

The ATmega32U2-AU is a versatile 8-bit microcontroller with USB 2.0 support, commonly used in:
- USB peripherals (keyboards, mice, game controllers)
- Embedded systems requiring USB communication
- Industrial control and automation
- Consumer electronics (smart devices, adapters)
- DIY projects (Arduino-compatible boards like Leonardo)
Its built-in USB controller, 32KB flash, and 1KB EEPROM make it ideal for compact, low-power USB applications.

Package

The ATMEGA32U2-AU comes in a TQFP-32 package. This is a 32-pin Thin Quad Flat Package with a 7x7mm body size and 0.8mm pin pitch, suitable for surface-mount applications. It offers a compact footprint while maintaining good thermal and electrical performance. Ideal for USB-enabled embedded systems.

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