Microchip Technology ATMEGA16U4-AUR Microcontrollers
IC MCU 8BIT 16KB FLASH 44TQFP
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
ATMEGA16U4-AUR
Base Model
Detailed Description
IC MCU 8BIT 16KB FLASH 44TQFP
Package
44-TQFP
Lifecycle Status
Active
Datasheet
ATMEGA16U4-AUR Datasheet
Quick Jump:
Technical Specifications
Microchip Technology ATMEGA16U4-AUR Microcontrollers technical specifications.
General
RAM Size
1.25K x 8
Package / Case
44-TQFP
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
2.7V ~ 5.5V
Peripherals
Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
Number of I/O
26
Speed
16MHz
EEPROM Size
512 x 8
Core Processor
AVR
Alternate Parts Comparison (ATMEGA16U4-AUR vs ATMEGA16U2-AU vs ATMEGA16U2-AUR vs ATMEGA16U2-MU)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 44-TQFP | 32-TQFP | 32-TQFP | 32-VFQFN Exposed Pad |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C | -40°C ~ 85°C (TA) |
| Supply Voltage | 2.7V ~ 5.5V | 2.7V ~ 5.5V | 2.7V ~ 5.5V | 2.7V ~ 5.5V |
| Core Processor | AVR | AVR | AVR | AVR |
| Core Size | 8-Bit | 8-Bit | 8-Bit | 8-Bit |
| RAM Size | 1.25K x 8 | 512 x 8 | 512 x 8 | 512 x 8 |
| Connectivity | I²C, SPI, UART/USART, USB | SPI, UART/USART, USB | SPI, UART/USART, USB | SPI, UART/USART, USB |
| EEPROM Size | 512 x 8 | 512 x 8 | 512 x 8 | 512 x 8 |
| Number of I/O | 26 | 22 | 22 | 22 |
| Oscillator Type | Internal | Internal | Internal | Internal |
| Peripherals | Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT | Brown-out Detect/Reset, POR, PWM, WDT | Brown-out Detect/Reset, POR, PWM, WDT | Brown-out Detect/Reset, POR, PWM, WDT |
| Action |
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