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Microchip Technology AT89C55WD-24PU

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Microchip Technology
40-DIP (0.600", 15.24mm)
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    AT89C55WD-24PU this integrated circuit is available in factory sealed anti static packs. at Please read product page below detail information. including AT89C55WD-24PU 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 AT89C55WD-24PU 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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    AT89C55WD-24PU Typical application Circuitry


    The AT89C55WD-24PU, designed by Atmel (now a part of Microchip), stands as a paragon in the 8-bit microcontroller domain. This high-performance microcontroller, embedded with Flash, is often revered for its flexibility and wide applicability. For those embarking on the journey of integrating the AT89C55WD-24PU into their designs, understanding the fundamental pin connections is pivotal:

    1. Power Supply Essentials for AT89C55WD-24PU (VCC, GND): Fueling the microcontroller is VCC, typically receiving a 5V input. On the flip side, GND pins serve as the common ground. For the AT89C55WD-24PU to perform seamlessly, ensure that decoupling capacitors are anchored near the VCC pins. This strategic placement aids in countering voltage fluctuations.

    2. Crystal Oscillator Interface (XTAL1, XTAL2): Every microcontroller, including the AT89C55WD-24PU, craves a rhythmic pulse to function. By tethering an external crystal oscillator between XTAL1 and XTAL2, this need is addressed. Alongside the crystal, capacitors, tailored as per the crystal's requisites, should span from each of these pins to ground. This combination fosters stable oscillation.

    3. Reset Dynamics (RST): Occasionally, manual system resets are necessitated. The RST pin on the AT89C55WD-24PU is crafted for this very purpose. Integrate a pull-up resistor and, optionally, a momentary push button (which connects the pin to ground when depressed) to facilitate manual reset operations.

    4. I/O Ports of AT89C55WD-24PU: The allure of the AT89C55WD-24PU is accentuated by its multiple I/O ports (Port 0 to Port 3). These ports, versatile in nature, can be fashioned for varied tasks, from digital read/write operations to interfacing with peripherals.

    5. Programming the AT89C55WD-24PU (PSEN, ALE/PROG, EA/VPP): These pins play instrumental roles during the programming phase. PSEN is an output pin that enables program memory read and programming. ALE/PROG is an address latch enable output active during external data memory read/write. The EA/VPP pin is tied to VCC for executing from the on-chip memory.

    6. Serial Communication (TXD, RXD): For those applications that necessitate serial data communication, the AT89C55WD-24PU is equipped with the TXD and RXD pins to transmit and receive data, respectively.

    Incorporating the AT89C55WD-24PU into your design matrix demands precision and an intricate understanding of each pin's role. Dive deep into Atmel's documentation to glean a holistic view of each pin's capabilities. A meticulous approach, underpinned by optimal routing and grounding strategies, can harness the true potential of the AT89C55WD-24PU in your design narrative.

    AT89C55WD-24PU informationAT89C55WD-24PU information

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    The price and inventory of AT89C55WD-24PU 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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    6. What is the process for return or replacement of AT89C55WD-24PU?

    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 AT89C55WD-24PU we delivered, we will accept the replacement or return of the AT89C55WD-24PU 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 AT89C55WD-24PU.

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

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    (1)Inform us within 90 days

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