8-bit AVR microcontroller featuring 32KB Flash memory and 2.5KB RAM. Operates at up to 16MHz with an 8-bit data bus width. Supports I2C, SPI, USB, UART, and USART interfaces, with 26 I/Os, 12 ADC channels, and 8 PWM channels. Surface mountable in a VQFN package, offering a wide operating temperature range of -40°C to 85°C and supply voltages from 2.7V to 5.5V. Includes integrated peripherals like Brown-out Detect/Reset, POR, and a Watchdog Timer.
Frequency16MHz
PackageVQFN
MountingSurface Mount
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Technical Specifications
Microchip ATMEGA32U4-MU technical specifications.
General
Package/Case
VQFN
Core Architecture
AVR
Data Bus Width
8b
Frequency
16MHz
Height
0.95mm
Interface
I2C, SPI, USB, UART, USART
Lead Free
Lead Free
Length
7.1mm
Max Frequency
16MHz
Max Operating Temperature
85°C
Max Supply Voltage
5.5V
Memory Size
32KB
Memory Type
FLASH,
Min Operating Temperature
-40°C
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
8
Number of SPI Channels
2
Number of Timers/Counters
3
Number of UART Channels
1
Number of USB Channels
1
Oscillator Type
Internal
Packaging
Tray
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
RAM Size
2.5KB
Reach SVHC Compliant
No
RoHS Compliant
Yes
Series
AVR® ATmega
Watchdog Timer
Yes
Width
7.1mm
Compliance
RoHS
Compliant
Datasheet
Microchip ATMEGA32U4-MU Datasheet
Download the complete datasheet for Microchip ATMEGA32U4-MU to view detailed technical specifications.
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