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                      1. Home
                      2. Semiconductors - ICs
                      3. Microcontrollers
                      4. 8-bit Microcontrollers
                      Print Page

                      ATMEGA32U4-AU

                      16MHz 8bit megaAVR Microcontroller in TQFP-44 Package

                      Date/Lot Code

                      MICROCHIP ATMEGA32U4-AU
                      Image is for illustrative purposes only. Please refer to product description.
                      ManufacturerMICROCHIP
                      Manufacturer Part NoATMEGA32U4-AU
                      Newark Part No.68T2838
                      Product RangeAVR ATmega Family ATmega32 Series Microcontrollers
                      Technical Datasheet

                      Data Sheet

                      See all Technical Docs
                      160 In Stock

                      Need more?

                      Same day shipping
                      Order before 9pm EST standard shipping
                      QuantityPrice
                      1+$7.360
                      10+$7.050
                      25+$6.730
                      50+$6.430
                      100+$6.110
                      Price for:Each
                      Minimum: 1
                      Multiple: 1
                      $7.36
                      Enter Your Part No/Line Note
                      Added to your Order Confirmation, Invoice, and Dispatch note for this order only.
                      This number will be added to the Order Confirmation, Invoice, Dispatch note, Web confirmation Email and Product Label.

                      Product Information

                      ManufacturerMICROCHIP
                      Manufacturer Part NoATMEGA32U4-AU
                      Newark Part No.68T2838
                      Product RangeAVR ATmega Family ATmega32 Series Microcontrollers
                      Technical Datasheet

                      Data Sheet

                      Product RangeAVR ATmega Family ATmega32 Series Microcontrollers
                      Device CoreAVR
                      MCU Core Size8bit
                      Operating Frequency Max16MHz
                      Program Memory Size32KB
                      No. of Pins44Pins
                      IC Case / PackageTQFP
                      CPU Speed16MHz
                      No. of I/O's26I/O's
                      MCU Case StyleTQFP
                      InterfacesI2C, SPI, USART, USB
                      RAM Memory Size2.5KB
                      ADC Channels12Channels
                      Embedded Interface TypeI2C, SPI, UART, USART
                      MCU ApplicationsUSB Microcontroller
                      ADC Resolution10Bit
                      Supply Voltage Min2.7V
                      Supply Voltage Max5.5V
                      Operating Temperature Min-40°C
                      MCU FamilyAVR ATmega
                      MCU SeriesATmega32
                      Operating Temperature Max85°C
                      IC MountingSurface Mount
                      Qualification-
                      MSLMSL 3 - 168 hours
                      SVHCNo SVHC (21-Jan-2025)

                      Product Overview

                      The ATMEDA32U4-AU is factory configured with a USB boot loader located in the on chip flash boot section of the controller. This USB boot loader allows to perform in system programming from a USB host controller without removing the part from the system or without a pre-programmed application, and without any external programming interface.

                      • Auto baud (8/16 MHz crystal)
                      • Read/write flash and EEPROM on chip memories
                      • Read device ID
                      • Full chip erase
                      • Start application command
                      • Software entry points for on chip flash drivers

                      Applications

                      Automation & Process Control, Consumer Electronics, Embedded Design & Development, Sensing & Instrumentation

                      Technical Specifications

                      Product Range

                      AVR ATmega Family ATmega32 Series Microcontrollers

                      MCU Core Size

                      8bit

                      Program Memory Size

                      32KB

                      IC Case / Package

                      TQFP

                      No. of I/O's

                      26I/O's

                      Interfaces

                      I2C, SPI, USART, USB

                      ADC Channels

                      12Channels

                      MCU Applications

                      USB Microcontroller

                      Supply Voltage Min

                      2.7V

                      Operating Temperature Min

                      -40°C

                      MCU Series

                      ATmega32

                      IC Mounting

                      Surface Mount

                      MSL

                      MSL 3 - 168 hours

                      Device Core

                      AVR

                      Operating Frequency Max

                      16MHz

                      No. of Pins

                      44Pins

                      CPU Speed

                      16MHz

                      MCU Case Style

                      TQFP

                      RAM Memory Size

                      2.5KB

                      Embedded Interface Type

                      I2C, SPI, UART, USART

                      ADC Resolution

                      10Bit

                      Supply Voltage Max

                      5.5V

                      MCU Family

                      AVR ATmega

                      Operating Temperature Max

                      85°C

                      Qualification

                      -

                      SVHC

                      No SVHC (21-Jan-2025)

                      Technical Docs (4)

                      Technical Data Sheet EN

                      CAD CadSoft_EAGLE EN

                      Product Change Notice EN

                      Technical Data Sheet EN

                      Associated Products

                      3 Products Found

                      Legislation and Environmental

                      US ECCN:EAR99
                      EU ECCN:Unknown
                      RoHS Compliant:Yes

                      RoHS

                      RoHS Phthalates Compliant:Yes

                      RoHS

                      SVHC:No SVHC (21-Jan-2025)
                      Download Product Compliance Certificate

                      Product Compliance Certificate

                      Product traceability

                      Date/Lot Code

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