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ATMEGA32U2-AU

Name: ATMEGA32U2-AU
Rating: 4.7 (12 reviews)

IC MCU 8BIT 32KB FLASH 32TQFP

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包 TQFP-32
資料表 ATMEGA32U2-AU DataSheet
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規格

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

概述

Description

The ATmega32U2-AU is a microcontroller from Atmel's AVR family, notable for its 8-bit architecture. It features 32KB of flash memory, 2.5KB of SRAM, and 1KB of EEPROM. Operating at a maximum clock speed of 16 MHz, it supports various communication interfaces, including USB, USART, SPI, and I2C, making it versatile for embedded applications.
Key features include 23 programmable I/O pins, 32 general-purpose registers, and several timers and PWM outputs, which enhance its performance in control and automation tasks. The integrated USB controller allows for easy connection to USB devices, enabling applications in keyboards, mice, and other peripherals.
The ATmega32U2-AU is ideal for hobbyists and professionals alike, used in robotics, consumer electronics, and prototyping. Its compact size and low power consumption make it suitable for battery-operated devices. Overall, the ATmega32U2-AU provides a reliable and flexible solution for various embedded system projects.

Features

The ATmega32U2-AU is an 8-bit microcontroller from Atmel (now part of Microchip Technology) featuring the following key specifications:
1. Architecture: AVR 8-bit RISC.
2. Flash Memory: 32 KB (with 1 KB of bootloader space).
3. SRAM: 2 KB.
4. EEPROM: 1 KB.
5. Clock Speed: Up to 16 MHz.
6. I/O Pins: 26 general-purpose I/O pins.
7. Timers: 3 timers (1 x 16-bit and 2 x 8-bit).
8. PWM: 6 PWM channels.
9. ADC: 10-bit ADC with 8 channels.
10. Communication Interfaces: USB 2.0 Full Speed, USART, SPI, and I2C.
11. Operating Voltage: 1.8V to 5.5V.
12. Package: TQFP and other surface mount options.
13. Low Power Modes: Various modes to optimize power consumption.
This microcontroller is suitable for a wide range of applications, including USB devices, embedded systems, and robotics.

Package

The ATMEGA32U2-AU is packaged in a TQFP (Thin Quad Flat Package) with 32 pins. Its dimensions are 7mm x 7mm, making it suitable for compact applications.

Pinout

The ATmega32U2-AU is an 8-bit microcontroller from Atmel's AVR architecture family, featuring 32 pins in a TQFP (Thin Quad Flat Package) format.
Pin Count and Functions:
- Total Pins: 32
- General I/O Pins: 24 configurable I/O pins (PORTA, PORTB, PORTC)
- Power Supply Pins:
- VCC: Power supply for logic
- GND: Ground
- Communication Interfaces:
- 1 x USB 2.0 full-speed controller
- 1 x USART (Universal Synchronous and Asynchronous serial Receiver and Transmitter)
- 1 x SPI (Serial Peripheral Interface)
- 1 x I2C (TWI - Two Wire Interface)
- Analog Functions:
- 8 x 10-bit ADC channels
- Timers/Counters:
- 3 x 8-bit timers
- 1 x 16-bit timer
- Interrupts: External interrupts on several pins for event-driven applications.
These features make the ATmega32U2-AU suitable for USB applications, embedded systems, and various automation tasks.

Manufacturer

The ATMEGA32U2-AU is manufactured by Microchip Technology Inc., a prominent American company specializing in embedded control and automation solutions. Founded in 1989, Microchip focuses on microcontrollers, memory, and other semiconductor products, catering to a wide range of industries including automotive, industrial, and consumer electronics. The ATMEGA32U2-AU is part of the AVR microcontroller family and is known for its versatility in applications requiring USB connectivity and low power consumption. Microchip Technology is recognized for its commitment to innovation and support, offering extensive resources for developers and engineers in the embedded systems space.

Application

The ATmega32U2-AU microcontroller is commonly used in areas such as USB device applications, automotive systems, consumer electronics, and industrial automation. Its features support multimedia devices, human-machine interfaces, robotics, and embedded systems requiring USB connectivity. Additionally, it is suitable for projects in hobbyist electronics and prototyping due to its ease of use and versatility.

Equivalent

Equivalent products to the ATmega32U2-AU include the ATmega16U2, which offers similar features but with fewer I/O pins, and the ATmega32U4, which has built-in USB support and more pins. Additionally, the ATmega328P can be considered for applications requiring a lower pin count and less memory, though it lacks native USB support.