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Microchip Technology ATMEGA32U4-MU

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Microchip Technology
44-VFQFN Exposed Pad
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    ATMEGA32U4-MU this integrated circuit is available in factory sealed anti static packs. at Please read product page below detail information. including ATMEGA32U4-MU price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for ATMEGA32U4-MU to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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    ATMEGA32U4-MU Typical application Circuitry


    The ATMEGA32U4-MU is an 8-bit microcontroller from Armed's MegaAVR family. It includes JTAG interface for on-chip debugging, 4-channel 10-bit A/D converter, 32 KB self-programming Flash program memory, 2.5 KB SRAM, and 1 KB EEPROM. Here is a basic way to connect this MCU:

    1. Power Supply:Power should be provided to the VCC pins (Pins 7 and 24) and GND pins (Pins 8 and 22) of the ATMEGA32U4-MU. Ensure to provide a clean, regulated power supply of 5V or 3.3V depending on your application. Additionally, the ACC pin (Pin 6), which is the power supply for the ADC, must be connected to the power supply as well.

    2. Clock Source:The ATMEGA32U4-MU can operate using an internal clock, but for more accurate operation, an external clock source is often used. Connect the XTAL1 pin (Pin 9) and XTAL2 pin (Pin 10), if using an external clock.

    3. USB Connection:If you plan to use the ATMEGA32U4-MU's USB capabilities, connect the D+ (Pin 29) and D- (Pin 30) pins to the D+ and D- lines of your USB interface.

    4. Reset:The RESET pin (Pin 13) can be used to reset the ATMEGA32U4-MU. A pull-up resistor (10k ohms is common) should be connected to this pin to ensure stable operation.

    5. I/O Pins:The ATMEGA32U4-MU has several I/O pins, which can be connected according to your application needs. For information on their roles and particular specifications, make sure to refer to the data sheet.

    6. Programming:The ATMEGA32U4-MU can be programmed using a JTAG interface or via the ISP (SPI) pins: MOST (Pin 15), MISS (Pin 14), SICK (Pin 16), and RESET (Pin 13).

    Please note that the ATMEGA32U4-MU has many more features that can be used according to your needs, such as PART, SPI, and TWO (I2C) interfaces, timers, PWM channels, ADC, and more.For a more thorough justification, See the data sheet and other reliable sources for more information.

    ATMEGA32U4-MU informationATMEGA32U4-MU information


    1. How to order ATMEGA32U4-MU on

    Currently, only provide peer-to-peer order processing. While you submit the RFQ, our professional agent will contact you with the competitive prices in the global market, and our agent will prompt you to finish the order if you accept our offers.

    2. How does guarantee that ATMEGA32U4-MU is from the original manufacturer or authorized agents?

    We have a professional and experienced quality control team to strictly verify and test the ATMEGA32U4-MU. All suppliers must pass our qualification reviews before they can publish their products including ATMEGA32U4-MU on; we pay more attention to the channels and quality of ATMEGA32U4-MU products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.

    3. Are the ATMEGA32U4-MU price and inventory displayed accurate?

    The price and inventory of ATMEGA32U4-MU fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.

    4. What forms of payment are accepted?

    Wire Transfer, PayPal, Alipay, Wechat, Credit Card, Western Union, MoneyGram, and Escrow are all acceptable.

    Warm Tips: Some orders in certain payment forms may require handling fee.

    5. How is the shipping arranged?

    Customers can choose industry-leading freight companies, including DHL, UPS, FedEx, TNT, and Registered Mail. Shipping insurance is also available.

    Once your order has been processed for shipment, our salesperson will send you an email advising you of the shipping status and tracking number.

    Warm Tips: It may take up to 24 hours for the carriers to display tracking information. Usually, express delivery takes 3-5 days, and registered mail takes 25-60 days.

    6. What is the process for return or replacement of ATMEGA32U4-MU?

    All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the ATMEGA32U4-MU we delivered, we will accept the replacement or return of the ATMEGA32U4-MU only when all of the below conditions are fulfilled:

    (1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

    (2)We are informed of the defect described above within 90 days after the delivery of ATMEGA32U4-MU.

    (3)The PartNo is unused and only in the original unpacked packaging.

    Two processes to return the products:

    (1)Inform us within 90 days

    (2)Obtain Requesting Return Authorizations

    7.How to contact us to get technical supports, such as ATMEGA32U4-MU pin diagram, ATMEGA32U4-MU datasheet?

    If you need any after-sales service, please do not hesitate to contact us.

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