Microchip Technology ATMEGA32U4-AUR
Regular price
$6.00
Regular price
Sale price
$6.00
| 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 | Cut Tape (CT) | Tape & Reel (TR) |
| 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-TQFP (10x10) |
| Package / Case | 44-TQFP |
| ROHS |  |
The ATMEGA32U4-AUR from Microchip is an 8-bit AVR MCU running at 16 MHz. It features 32KB flash and 2.5KB RAM in a 44-TQFP package. With a 2.7V-5.5V supply range and integrated USB, it is a popular choice for interactive and USB-enabled applications.
- Integrated USB 2.0: eliminates external USB interface ICs, reducing cost and size.
- Wide voltage range (2.7V-5.5V): simplifies power supply design.
- 16 MHz AVR core: efficient execution for control and communication tasks.
- Mature ecosystem: extensive libraries and community support accelerate development.
USB Peripherals
Integrated USB controller enables keyboard, mouse, and gamepad designs without external chips.
DIY Electronics
5V operation and Arduino compatibility make it ideal for hobbyist projects and rapid prototyping.
Consumer Remote Controls
Low power consumption and PWM support IR signal generation.
Industrial HMI
Robust I/O and timers handle button matrices and LED indicators in control panels.
Battery-Powered Devices
Wide voltage range allows direct battery connection with minimal regulation.
Educational Kits
Easy programming and rich peripherals make it suitable for teaching embedded systems.
- Q: What is the core of ATMEGA32U4-AUR?
- A: It uses the AVR 8-bit RISC core running at 16 MHz.
- Q: What is the supply voltage range?
- A: It operates from 2.7V to 5.5V, making it compatible with 5V logic.
- Q: How much flash and RAM does it have?
- A: It has 32KB flash (16K x 16) and 2.5KB RAM.
- Q: What package is this variant?
- A: It comes in a 44-TQFP package with -40°C to 85°C range.
Base Product Number ：
ATMEGA32U4
ATMEGA32U4-AUR.pdf
- Q: What is the core of ATMEGA32U4-AUR?
- A: It uses the AVR 8-bit RISC core running at 16 MHz.
- Q: What is the supply voltage range?
- A: It operates from 2.7V to 5.5V, making it compatible with 5V logic.
- Q: How much flash and RAM does it have?
- A: It has 32KB flash (16K x 16) and 2.5KB RAM.
- Q: What package is this variant?
- A: It comes in a 44-TQFP package with -40°C to 85°C range.
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