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Microchip Technology ATMEGA128A-MU

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Microchip Technology
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    ATMEGA128A-MU this integrated circuit is available in factory sealed anti static packs. at Please read product page below detail information. including ATMEGA128A-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 ATMEGA128A-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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    ATMEGA128A-MU Typical application Circuitry Schematics


    The ATMEGA128A-MU is a low-power, 8-bit AVR RISC-based microcontroller from Microchip (formerly Armed). It includes 128 KB of programmable flash memory, 4 KB SRAM, and 4 KB of EEPROM. Here's a general description of its circuit:

    1. Power Supply Pins (VCC, GND): Connect these pins to the power source and ground, respectively. The correct supply voltage can be verified from the data sheet. It's often advisable to use decoupling capacitors near these pins to minimize power supply noise.

    2. Digital I/O Pins (Ports A, B, C, D, E, F, G): These digital input/output pins enable the ATMEGA128A-MU to interact with other components in the circuit. Each pin can be set as either an input or output based on the application's requirements.

    3. Reset Pin (RESET): This pin is used to reset the microcontroller. Usually, it's connected to a pull-up resistor to avoid unintentional resets. Pulling this pin low triggers a reset.

    4. Crystal Oscillator Pins (XTAL1, XTAL2): An external crystal oscillator can be connected to these pins to provide a clock signal for the microcontroller. The crystal's frequency depends on your specific system requirements.

    5. Analog Input Pins (ADC0 - ADC7): These pins serve as inputs for the built-in Analog-to-Digital Converter (ADC) of the microcontroller, allowing it to read analog signals.

    6. Serial Communication Pins (MISS, MOST, SICK, TED, RED): These pins enable SPI (MISS, MOST, SCK) and PART (TED, RXD) serial communication, facilitating the interface with other devices such as sensors, other microcontrollers, or a computer.

    7. In-System Programming (ISP) Pins (MISS, MOST, SICK, RESET): These pins are used to upload code to the microcontroller using an ISP programmer.

    8. Interrupt Pins (INT0, INT1, etc.): These pins are used to handle external interrupts. An interrupt is a signal that momentarily stops the current operations of the microcontroller, allowing it to perform a separate task.

    9. JTAG interface pins (TCK, TMS, TO, TDI): These pins are used for the on-chip debugging system and programming of non-volatile program memories.

    Take note that depending on your unique application, the precise use of these pins may change. Always refer to the manufacturer's data sheet and any available application notes or reference designs for accurate information. If you're unsure about any aspects of the circuit design, it's advisable to consult with an experienced engineer or use a specialized online forum.

    ATMEGA128A-MU informationATMEGA128A-MU information


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    We have a professional and experienced quality control team to strictly verify and test the ATMEGA128A-MU. All suppliers must pass our qualification reviews before they can publish their products including ATMEGA128A-MU on; we pay more attention to the channels and quality of ATMEGA128A-MU products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.

    3. Are the ATMEGA128A-MU price and inventory displayed accurate?

    The price and inventory of ATMEGA128A-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.

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    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 ATMEGA128A-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 ATMEGA128A-MU we delivered, we will accept the replacement or return of the ATMEGA128A-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 ATMEGA128A-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 ATMEGA128A-MU pin diagram, ATMEGA128A-MU datasheet?

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