Microchip Technology ATMEGA8U2-AU
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $2.78 | $2.78 |
| 15+ | $2.70 | $40.50 |
| 25+ | $2.64 | $66.00 |
| 50+ | $2.49 | $124.50 |
| 100+ | $2.20 | $220.00 |
| N+ | $0.44 | 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 | 8KB (4K x 16) |
| Program Memory Type | FLASH |
| EEPROM Size | 512 x 8 |
| RAM Size | 512 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 ATMEGA8U2-AU from Microchip Technology is a high-performance 8-bit AVR microcontroller with an integrated USB 2.0 full-speed controller. Operating at up to 16MHz with 8KB flash and 512 bytes RAM, it provides a compact solution for USB-enabled embedded designs. Its wide voltage range and robust features like brown-out detection and watchdog timer ensure reliable operation in diverse environments.
- Integrated USB 2.0: Eliminates external USB controller chips, reducing BOM cost and board space.
- Wide Voltage Range (2.7V-5.5V): Compatible with both 3.3V and 5V logic, simplifying system integration.
- 16MHz Performance: Sufficient throughput for real-time USB communication and control tasks.
- Robust Protection: Brown-out reset and watchdog timer enhance system reliability in noisy environments.
USB-to-Serial Adapters
The integrated USB controller and 16MHz clock enable reliable USB-to-UART bridging for programming and debugging interfaces.
Custom HID Devices
With 8KB flash and USB support, it can implement custom human interface devices like keyboards, mice, or game controllers without external chips.
Industrial Sensor Interfaces
Its 2.7V-5.5V range and PWM outputs allow direct interfacing with industrial sensors and actuators, while WDT ensures fail-safe operation.
Battery-Powered Peripherals
Low-voltage operation down to 2.7V extends battery life in portable USB peripherals and handheld tools.
Bootloader Development
The built-in USB DFU (Device Firmware Update) capability simplifies in-field firmware updates via USB, reducing service costs.
Embedded Control Panels
Combining GPIO, PWM, and USB, it can manage small control panels with LED indicators and button inputs in consumer electronics.
- Q: What is the operating voltage range of the ATMEGA8U2-AU?
- A: The ATMEGA8U2-AU operates from 2.7V to 5.5V, making it suitable for both 3.3V and 5V systems.
- Q: What is the maximum clock speed?
- A: It runs at up to 16MHz, providing a balanced performance for USB and general embedded tasks.
- Q: Does it include a USB controller?
- A: Yes, the ATMEGA8U2-AU features an integrated USB 2.0 full-speed controller, ideal for USB-to-serial or custom HID applications.
- Q: What package is available?
- A: It comes in a 32-pin TQFP package, suitable for compact PCB designs.
- Q: What are the key built-in features?
- A: It includes Brown-out Detect/Reset, POR, PWM, and WDT for robust operation.
ATMEGA8U2-AU.pdf
- Q: What is the operating voltage range of the ATMEGA8U2-AU?
- A: The ATMEGA8U2-AU operates from 2.7V to 5.5V, making it suitable for both 3.3V and 5V systems.
- Q: What is the maximum clock speed?
- A: It runs at up to 16MHz, providing a balanced performance for USB and general embedded tasks.
- Q: Does it include a USB controller?
- A: Yes, the ATMEGA8U2-AU features an integrated USB 2.0 full-speed controller, ideal for USB-to-serial or custom HID applications.
- Q: What package is available?
- A: It comes in a 32-pin TQFP package, suitable for compact PCB designs.
- Q: What are the key built-in features?
- A: It includes Brown-out Detect/Reset, POR, PWM, and WDT for robust operation.
