Microchip Technology ATMEGA32U2-AU
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $3.65 | $3.65 |
| 15+ | $3.53 | $52.95 |
| 25+ | $3.46 | $86.50 |
| 50+ | $3.26 | $163.00 |
| 100+ | $2.88 | $288.00 |
| N+ | $0.58 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Microchip Technology |
| Product Series | AVR® ATmega |
| Packaging | Tray | |
| Core Processor | AVR |
| Core Size | 8-Bit |
| Speed | 16MHz |
| Connectivity | SPI, UART/USART, USB |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| Number of I/O | 22 |
| Program Memory Size | 32KB (16K x 16) |
| Program Memory Type | FLASH |
| EEPROM Size | 1K x 8 |
| RAM Size | 1K x 8 |
| Voltage - Supply (Vcc/Vdd) | 2.7V ~ 5.5V |
| Data Converters | - |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification AEC | - |
| Mounting Type | Surface Mount |
| Supplier Device Package | 32-TQFP (7x7) |
| Package / Case | 32-TQFP |
| ROHS |  |
The Microchip ATMEGA32U2-AU is an 8-bit AVR microcontroller with a full-speed USB 2.0 interface, packaged in a 32-TQFP. It operates from 2.7V to 5.5V and at up to 16MHz, with 32KB of Flash and 1KB of RAM. This device includes Brown-out Reset, POR, PWM, and WDT, offering a reliable and flexible solution for USB-based embedded projects.
- USB 2.0 Full-Speed: Built-in controller reduces external component count.
- Flexible Power: 2.7V-5.5V range supports battery or USB-powered designs.
- Standard TQFP Package: Easier to solder and inspect than QFN for prototyping.
- Mature AVR Ecosystem: Extensive libraries and community support.
USB Game Controllers
The TQFP package and USB interface make it ideal for custom gamepads or joysticks with low-latency HID reports.
Portable Medical Monitors
With 2.7V operation and USB connectivity, it can power a simple pulse oximeter or glucose meter that logs data to a PC.
Industrial Data Loggers
Its 32KB Flash can store calibration data and logs, while USB allows easy retrieval by technicians.
Smart Card Readers
The AVR core and USB support enable implementation of PC/SC smart card reader interfaces.
LED Matrix Displays
PWM channels and 16MHz speed can drive multiplexed LED matrices for scrolling text displays.
Educational Robotics Kits
Its ease of programming and USB bootloader support make it a great teaching platform for robotics.
- Q: What is the difference between ATMEGA32U2-AU and -MU?
- A: The -AU is in a 32-TQFP package, while the -MU is in a 32-VFQFN package.
- Q: What is the maximum speed?
- A: It runs at up to 16MHz.
- Q: What is the supply voltage range?
- A: It operates from 2.7V to 5.5V.
- Q: How much Flash memory is included?
- A: It has 32KB of Flash (16K x 16 bits).
- Q: Does it have USB support?
- A: Yes, it includes a USB 2.0 full-speed controller.
ATMEGA32U2-AU.pdf
- Q: What is the difference between ATMEGA32U2-AU and -MU?
- A: The -AU is in a 32-TQFP package, while the -MU is in a 32-VFQFN package.
- Q: What is the maximum speed?
- A: It runs at up to 16MHz.
- Q: What is the supply voltage range?
- A: It operates from 2.7V to 5.5V.
- Q: How much Flash memory is included?
- A: It has 32KB of Flash (16K x 16 bits).
- Q: Does it have USB support?
- A: Yes, it includes a USB 2.0 full-speed controller.
