Microchip Technology ATMEGA32U4-MU
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $6.00 | $6.00 |
| 15+ | $5.52 | $82.80 |
| 25+ | $5.40 | $135.00 |
| 50+ | $5.10 | $255.00 |
| 100+ | $4.50 | $450.00 |
| N+ | $0.90 | 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 | I2C, SPI, UART/USART, USB |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| Number of I/O | 26 |
| Program Memory Size | 32KB (16K x 16) |
| Program Memory Type | FLASH |
| EEPROM Size | 1K x 8 |
| RAM Size | 2.5K x 8 |
| Voltage - Supply (Vcc/Vdd) | 2.7V ~ 5.5V |
| Data Converters | A/D 12x10b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification AEC | - |
| Mounting Type | Surface Mount |
| Supplier Device Package | 44-VQFN (7x7) |
| Package / Case | 44-VFQFN Exposed Pad |
| ROHS |  |
The Microchip ATMEGA32U4-MU is an 8-bit AVR MCU with a built-in USB 2.0 controller. It operates from 2.7V to 5.5V at 16MHz, featuring 32KB Flash and 2.5KB SRAM. The 44-VFQFN package includes BOR, POR, PWM, and WDT, making it ideal for USB-enabled embedded applications.
- Integrated USB: Eliminates external USB interface ICs, reducing BOM cost.
- Wide voltage range: 2.7V-5.5V supports both 3.3V and 5V systems.
- High performance: 16MHz AVR core delivers up to 16 MIPS.
- Compact package: 44-QFN saves PCB space for portable devices.
USB HID Devices
Built-in USB controller enables keyboards, mice, and game controllers without external USB chips.
DIY Electronics Projects
The 44-QFN package and 5V operation make it popular for Arduino-compatible boards.
Consumer Electronics Remote Controls
Low power modes and PWM support IR transmission for TV and audio remotes.
Wearable Fitness Trackers
2.7V minimum supply allows operation from a single Li-ion cell, and the small QFN package fits compact designs.
Industrial HMI Panels
USB interface simplifies firmware updates, while 32KB Flash stores complex UI logic.
Robotics Controllers
PWM channels drive servos, and the 16MHz speed handles sensor fusion algorithms.
- Q: What is the core architecture?
- A: It uses the AVR 8-bit RISC core.
- Q: What is the maximum speed?
- A: It runs at 16MHz.
- Q: How much Flash memory does it have?
- A: It has 32KB of Flash (16K x 16).
- Q: What is the supply voltage range?
- A: It operates from 2.7V to 5.5V.
- Q: Does it have USB support?
- A: Yes, the ATmega32U4 includes a USB 2.0 full-speed controller.
ATMEGA32U4-MU.pdf
- Q: What is the core architecture?
- A: It uses the AVR 8-bit RISC core.
- Q: What is the maximum speed?
- A: It runs at 16MHz.
- Q: How much Flash memory does it have?
- A: It has 32KB of Flash (16K x 16).
- Q: What is the supply voltage range?
- A: It operates from 2.7V to 5.5V.
- Q: Does it have USB support?
- A: Yes, the ATmega32U4 includes a USB 2.0 full-speed controller.
