ATMEGA32U4-AUR
| Part Number | ATMEGA32U4-AUR |
|---|---|
| Manufacturer |
 Microchip
|
| Description | AVR AVR® ATmega Microcontroller IC 8-Bit 16MHz 32KB (16K*16) FLASH 44-TQFP (10*10mm), Brown-out Detect/Reset, POR, PWM, WDT, I2C, SPI, UART/USART, USB HID MCU |
| Product Group | Microcontroller |
| MOQ | 1500 pcs |
| SPQ | 1500 pcs |
| Figure/Case | 44-TQFP |
| Package | T&R Pack |
| Ship From | Hong Kong |
| Shipment Way | DHL / Fedex / TNT / UPS / Others |
| Delivery Term | Ex-Works |
| Send RFQ | sales@signalhk.com |
| Feature | ATMEGA32U4-AUR |
|---|---|
| Architecture | 8-bit AVR |
| Core | AVR (Harvard Architecture) |
| Clock Speed | Up to 16 MHz |
| Flash Memory | 32 KB |
| SRAM | 2.5 KB |
| EEPROM | 1 KB |
| GPIO (I/O Pins) | 26 |
| ADC Channels | 12 (10-bit resolution) |
| PWM Channels | 7 |
| UART (Serial Ports) | 1 |
| SPI | 1 |
| I2C (TWI) | 1 |
| Timers | 4 (3x 16-bit, 1x 8-bit) |
| Interrupts | 2 External |
| USB Support | Yes (Full-Speed USB 2.0) |
| USB Endpoints | 7 |
| Watchdog Timer | Yes |
| Brown-out Detection | Yes |
| Power Consumption | Low |
| Operating Voltage | 2.7V - 5.5V |
| Package Type | TQFP-44 (Thin Quad Flat Package) |
| Operating Temperature | -40°C to 85°C (Industrial Grade) |
| Programming Interface | ISP (In-System Programming), JTAG |
| Compatible Development Boards | Arduino Leonardo, Teensy 2.0, Pro Micro |
| Typical Applications | USB HID Devices (Keyboards, Mice), Embedded Systems, Robotics, IoT |
Comparison table for ATmega328P, ATmega2560, ATmega32U4, ATtiny85, ATmega168, ATmega8, and ATmega32
| Feature | ATmega328P | ATmega2560 | ATmega32U4 | ATtiny85 | ATmega168 | ATmega8 | ATmega32 |
|---|---|---|---|---|---|---|---|
| Architecture | 8-bit AVR | 8-bit AVR | 8-bit AVR | 8-bit AVR | 8-bit AVR | 8-bit AVR | 8-bit AVR |
| Flash Memory | 32 KB | 256 KB | 32 KB | 8 KB | 16 KB | 8 KB | 32 KB |
| SRAM | 2 KB | 8 KB | 2.5 KB | 512 B | 1 KB | 1 KB | 2 KB |
| EEPROM | 1 KB | 4 KB | 1 KB | 512 B | 512 B | 512 B | 1 KB |
| Clock Speed | 16 MHz | 16 MHz | 16 MHz | 20 MHz | 16 MHz | 16 MHz | 16 MHz |
| GPIO Pins | 23 | 86 | 26 | 6 | 23 | 23 | 32 |
| ADC Channels | 8 (10-bit) | 16 (10-bit) | 12 (10-bit) | 4 (10-bit) | 8 (10-bit) | 6 (10-bit) | 8 (10-bit) |
| PWM Channels | 6 | 15 | 7 | 3 | 6 | 3 | 4 |
| UART | 1 | 4 | 1 | 0 | 1 | 1 | 1 |
| SPI | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| I2C | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| USB | No | No | Yes (2.0) | No | No | No | No |
| Timers | 3 (8-bit & 16-bit) | 6 (8-bit & 16-bit) | 4 (8-bit & 16-bit) | 2 (8-bit) | 3 (8-bit & 16-bit) | 3 (8-bit & 16-bit) | 3 (8-bit & 16-bit) |
| Watchdog Timer | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Power Consumption | Low | Moderate | Low | Very Low | Low | Low | Low |
| Operating Voltage | 1.8V - 5.5V | 1.8V - 5.5V | 2.7V - 5.5V | 2.7V - 5.5V | 1.8V - 5.5V | 2.7V - 5.5V | 2.7V - 5.5V |
| Package Options | DIP, TQFP, QFN | TQFP, QFN | TQFP, QFN | SOIC, PDIP | DIP, TQFP | DIP, TQFP | TQFP, PDIP |
| Typical Applications | Arduino Uno, DIY Projects | Arduino Mega, Complex Projects | Arduino Leonardo, USB Projects | Small Projects, Wearables | Arduino (older versions), Small Projects | Basic Projects, Learning | Industrial Control, Automation |
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ATMEGA32U4-AUR
ATMEGA32U4-AUR