Microchip Technology ATMEGA16U4-MUR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $4.78 | $4.78 |
| 15+ | $4.63 | $69.45 |
| 25+ | $4.53 | $113.25 |
| 50+ | $4.28 | $214.00 |
| 100+ | $3.77 | $377.00 |
| N+ | $0.75 | 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, Temp Sensor, WDT |
| Number of I/O | 26 |
| Program Memory Size | 16KB (8K x 16) |
| Program Memory Type | FLASH |
| EEPROM Size | 512 x 8 |
| RAM Size | 1.25K 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 ATMEGA16U4-MUR is a high-performance 8-bit AVR microcontroller with an integrated USB 2.0 full-speed controller. Operating from 2.7V to 5.5V and clocked at 16MHz, it delivers 16KB of flash program memory and 1.25KB of SRAM. The 44-VFQFN package includes an exposed pad for improved thermal performance. Built-in peripherals include PWM, a temperature sensor, brown-out detection, and a watchdog timer, making it a versatile choice for USB-enabled embedded designs.
- Integrated USB 2.0 Full-Speed Controller: Eliminates the need for external USB bridge ICs, reducing BOM cost and board space.
- Wide Voltage Range (2.7V-5.5V): Provides flexibility for both 3.3V and 5V logic systems, simplifying power supply design.
- Compact 44-VFQFN Package with Exposed Pad: Enhances thermal dissipation and enables compact PCB layouts for space-constrained applications.
- Rich Analog and Timer Peripherals: Includes a temperature sensor, PWM, and multiple timers, supporting diverse sensing and control tasks.
USB HID Devices
The integrated USB 2.0 full-speed controller simplifies the design of keyboards, mice, and game controllers. The 16MHz AVR core handles HID report processing without external USB bridge chips.
Battery-Powered Data Loggers
With a 2.7V minimum supply and multiple sleep modes, the ATMEGA16U4-MUR is ideal for low-power logging. The 1.25KB SRAM buffers sensor data before writing to external flash.
Industrial Sensor Interfaces
The 10-bit ADC and PWM outputs allow direct interfacing with analog sensors and actuator control. The -40°C to 85°C range ensures reliable operation in harsh environments.
Custom USB-to-Serial Bridges
Using the built-in UART and USB CDC class, this MCU can replace FTDI chips in legacy serial devices. The 16KB flash stores custom descriptors and firmware.
Motor Control for Small Drives
The PWM channels and watchdog timer enable simple brushless DC motor control. The exposed pad package improves heat dissipation during continuous operation.
Portable Medical Monitors
The temperature sensor and low-power modes support compact health monitoring devices. The 5.5V max supply allows direct battery connection with minimal regulation.
- Q: What is the operating voltage range of the ATMEGA16U4-MUR?
- A: The ATMEGA16U4-MUR 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 applications.
- Q: Does it include a USB controller?
- A: Yes, the ATmega16U4 features an integrated USB 2.0 full-speed controller, ideal for HID and CDC applications.
- Q: What package is available?
- A: It comes in a 44-VFQFN exposed pad package, which aids in thermal dissipation and space-saving PCB layouts.
- Q: What are the key built-in peripherals?
- A: It includes PWM, a temperature sensor, brown-out detection, power-on reset, and a watchdog timer.
ATMEGA16U4-MUR.pdf
- Q: What is the operating voltage range of the ATMEGA16U4-MUR?
- A: The ATMEGA16U4-MUR 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 applications.
- Q: Does it include a USB controller?
- A: Yes, the ATmega16U4 features an integrated USB 2.0 full-speed controller, ideal for HID and CDC applications.
- Q: What package is available?
- A: It comes in a 44-VFQFN exposed pad package, which aids in thermal dissipation and space-saving PCB layouts.
- Q: What are the key built-in peripherals?
- A: It includes PWM, a temperature sensor, brown-out detection, power-on reset, and a watchdog timer.
