8-bit AVR microcontroller featuring 16KB FLASH memory and 2.5KB RAM. Operates at up to 16MHz with an 8-bit data bus. Supports I2C, SPI, USB, UART, and USART interfaces, along with 12 ADC channels and 14 PWM channels. Surface mountable in a 44-pin TQFP package, with a supply voltage range of 2.7V to 5.5V. Includes peripherals like Brown-out Detect/Reset, POR, WDT, and a temperature sensor.
Frequency16MHz
PackageTQFP
MountingSurface Mount
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Technical Specifications
Microchip ATMEGA16U4-AU technical specifications.
General
Package/Case
TQFP
Core Architecture
AVR
Data Bus Width
8b
Density
16KB
Frequency
16MHz
Height
1.05mm
Interface
I2C, SPI, USB, UART, USART
Length
10mm
Max Frequency
16MHz
Max Operating Temperature
85°C
Memory Size
16KB
Memory Type
FLASH,
Min Operating Temperature
-40°C
Max Supply Voltage
5.5V
Min Supply Voltage
2.7V
Mount
Surface Mount
Number of ADC Channels
12
Number of I/Os
26
Number of I2C Channels
1
Number of PWM Channels
14
Number of SPI Channels
1
Number of Timers/Counters
5
Oscillator Type
Internal
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT, Temp Sensor
RAM Size
2.5KB
Reach SVHC Compliant
No
RoHS Compliant
Yes
Series
AVR® ATmega
Termination
SMD/SMT
Width
10mm
Compliance
RoHS
Compliant
Datasheet
Microchip ATMEGA16U4-AU Datasheet
Download the complete datasheet for Microchip ATMEGA16U4-AU to view detailed technical specifications.
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