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HomeCommunitySubjectATMEGA32U4-MU 8-bits Microcontroller: Datasheet, features, and ATMEGA32U4-MU vs ATMEGA32U4-MUR

ATMEGA32U4-MU 8-bits Microcontroller: Datasheet, features, and ATMEGA32U4-MU vs ATMEGA32U4-MUR

Embedded - Microcontrollers A/D 12x10b 44-VFQFN Exposed Pad 32kB Brown-out Detect/Reset, POR, PWM, WDT -40°C~85°C TA 2.7V~5.5V AVR? ATmega MICROCONTROLLER, RISC ATMEGA32U4 16MHz ATmega Series 32 KB Flash 2.5 KB SRAM 16 MHz 8-Bit Microcontroller - QFN-44

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Nov 23, 2021

Carr Foster

DIY Keyboard from Scratch - with QMK and ATmega32U4

 

Embedded - Microcontrollers A/D 12x10b 44-VFQFN Exposed Pad 32kB Brown-out Detect/Reset, POR, PWM, WDT -40°C~85°C TA 2.7V~5.5V AVR® ATmega MICROCONTROLLER, RISC ATMEGA32U4 16MHz ATmega Series 32 KB Flash 2.5 KB SRAM 16 MHz 8-Bit Microcontroller - QFN-44

ATMEGA32U4-MU is an integrated circuit. This article is going to introduce pinout, applications, features, and more details about ATMEGA32U4-MU.

ATMEGA32U4-MU

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ATMEGA32U4 Description

ATmega32U4 is a low-power CMOS 8-bit microcontroller based on AVR enhanced RISC architecture. By executing powerful instructions in one clock cycle, the throughput of ATmega32U4 is close to 1 mile per second per megahertz, enabling system designers to optimize the relationship between power consumption and processing speed.

ATMEGA32U4 Pinout

ATMEGA32U4 CAD Model

Symbol

 

Footprint

 

3D Model

Specifications

Microchip Technology ATMEGA32U4-MU technical specifications, attributes, parameters and parts with similar specifications to Microchip Technology ATMEGA32U4-MU.

ATMEGA32U4-MU Tech Specifications

Microchip Technology ATMEGA32U4-MU technical specifications, attributes, parameters and parts with similar specifications to Microchip Technology ATMEGA32U4-MU.

Product Attribute Attribute Value
Factory Lead Time10 Weeks
Contact PlatingTin
MountSurface Mount
Mounting TypeSurface Mount
Package / Case44-VFQFN Exposed Pad
Number of Pins44Pins
Data ConvertersA/D 12x10b
Number of I/Os26I/Os
Watchdog TimersYes
Operating Temperature-40°C~85°C TA
PackagingTray
SeriesAVR® ATmega
Published2001
JESD-609 Codee3
Pbfree Codeyes
Part StatusActive
Moisture Sensitivity Level (MSL)3 (168 Hours)
Product Attribute Attribute Value
Number of Terminations44Terminations
Terminal PositionQUAD
Supply Voltage5V
Frequency16MHz
Base Part NumberATMEGA32U4
InterfaceI2C, I2S, SPI, UART, USART, USB
Memory Size32kB
Oscillator TypeInternal
RAM Size2.5K x 8
Voltage - Supply (Vcc/Vdd)2.7V~5.5V
uPs/uCs/Peripheral ICs TypeMICROCONTROLLER, RISC
Core ProcessorAVR
PeripheralsBrown-out Detect/Reset, POR, PWM, WDT
Program Memory TypeFLASH
Core Size8-Bit
Program Memory Size32KB 16K x 16
ConnectivityI2C, SPI, UART/USART, USB
Product Attribute Attribute Value
Bit Size8
Has ADCYES
DMA ChannelsNO
Data Bus Width8b
Number of Timers/Counters5Timers/Counters
EEPROM Size1K x 8
Number of ADC Channels12ADC Channels
Number of PWM Channels8PWM Channels
Number of SPI Channels2SPI Channels
Number of USB Channels1USB Channel
Height950μm
Length7.1mm
Width7.1mm
REACH SVHCNo SVHC
Radiation HardeningNo
RoHS StatusROHS3 Compliant
Lead FreeLead Free
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ATMEGA32U4 Functional Block Diagram

ATMEGA32U4 Features

  • Complies fully with Universal Serial Bus Specification Rev. 2.0

  • Supports data transfer rates up to 12 Mbit/s and 1.5 Mbit/s

  • Endpoint 0 for Control Transfers: Up to 64 bytes

  • Six Programmable Endpoints with In or Out Directions and with Bulk, Interrupt or Isochronous Transfers

  • Configurable Endpoints size up to 256 bytes in double bank mode

  • Fully independent 832 bytes USB DPRAM for endpoint memory allocation

  • Suspend/Resume Interrupts

  • CPU Reset possible on USB Bus Reset detection

  • 48 MHz from PLL for Full-Speed Bus Operation

  • USB Bus Connection/Disconnection on Microcontroller Request

  • Crystal-less operation for Low-Speed mode

 

ATMEGA 32U4 Applications

  • Automation and control process

  • Consumer electronics

  • Senors and instrumentation

  • Appliances

  • Monitoring medical equipment

  • Circuitry to control processes

  • Motor control

  • Rectification

  • Power regulation

  • DAC applications

 

ATMEGA32U4 Package

ATMEGA 32U4 Manufacture

Microchip Technology Inc. is a leading provider of microcontroller and analog semiconductors, providing low-risk product development, lower total system cost and faster time to market for thousands of diverse customer applications worldwide. Headquartered in Chandler, Arizona, Microchip offers outstanding technical support along with dependable delivery and quality.

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ATMEGA32U4-MU Documents

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