MCP795W20-I/ST

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Microchip Technology MCP795W20-I/ST

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Part No.:
MCP795W20-I/ST
Manufacturer:
Microchip Technology
Package:
14-TSSOP (0.173, 4.40mm Width)
Datasheet:
MCP795W20-I/ST.pdf
Description:
IC RTC CLK/CALENDAR SPI 14-TSSOP
In Stock:
253
Quantity:
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  • Purchase and inquiryPurchase and inquiry

    MCP795W20-I/ST this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including MCP795W20-I/ST 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 MCP795W20-I/ST 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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    MCP795W20-I/ST informationMCP795W20-I/ST information

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    Basic introduction and simple engineering application of MCP795W20-I/ST


    MCP795W20-I/ST is a Real-Time Clock (RTC) device manufactured by Microchip Technology Inc. It provides accurate timekeeping functionality with low power consumption, making it suitable for a wide range of applications.

    Application Scenario:

    In electronic projects requiring precise timekeeping, MCP795W20-I/ST can serve as a reliable clock source, ensuring accurate timing for data logging, event scheduling, and system synchronization.

    Circuit Design:

    To integrate MCP795W20-I/ST into a project, follow these steps:

    1. Connection Setup:

    Connect MCP795W20-I/ST to the microcontroller or host device using the I2C or SPI interface. Ensure proper wiring and address configuration for communication.

    2. Power Supply:

    Provide a stable power supply to MCP795W20-I/ST within its specified voltage range. Utilize voltage regulators and decoupling capacitors to minimize noise and ensure reliable operation.

    3. Initialization:

    Initialize MCP795W20-I/ST by configuring its internal registers for desired time and date settings. Utilize the provided libraries or register-level programming to set the time accurately.

    4. Timekeeping:

    Utilize the RTC functionalities of MCP795W20-I/ST to keep track of time with high precision. Implement routines to read the current time and update it periodically to maintain accuracy.

    5. Alarm Configuration:

    Configure alarms in MCP795W20-I/ST to trigger specific events at predetermined times. Utilize the alarm output pin to signal the microcontroller or host device for timely actions.

    Practical Experiment:

    To demonstrate the functionality of MCP795W20-I/ST, consider the following experiment:

    Experiment Title: Real-Time Clock Integration

    Objective: To interface MCP795W20-I/ST with a microcontroller and demonstrate real-time clock functionalities.

    Experimental Setup:

    - Microcontroller board (e.g., Arduino Uno)
    - MCP795W20-I/ST RTC module
    - Breadboard and jumper wires

    Experiment Steps:

    1. Connect the SDA and SCL pins of MCP795W20-I/ST to the corresponding I2C pins (A4 and A5) of the microcontroller.
    2. Connect the VCC and GND pins of MCP795W20-I/ST to the 5V and GND pins of the microcontroller, respectively.
    3. Upload a sample code to the microcontroller that initializes the RTC and reads the current time from MCP795W20-I/ST.
    4. Monitor the serial output of the microcontroller to observe the real-time clock readings.
    5. Experiment with setting alarms and adjusting the time to observe the corresponding changes in the RTC output.

    Considerations:

    When working with MCP795W20-I/ST, consider the following:

    - Backup Battery: Ensure a backup battery is connected to MCP795W20-I/ST to maintain timekeeping functionality during power loss.

    - Communication Protocol: Understand the communication protocol (I2C or SPI) supported by MCP795W20-I/ST and configure the microcontroller accordingly.

    - Accuracy: Calibrate the RTC periodically to maintain accurate timekeeping, considering factors like temperature variations.

    - Integration Flexibility: Explore additional features of MCP795W20-I/ST, such as timestamping or countdown timers, to enhance project functionality.

    - Data Retention: Ensure that the device's non-volatile memory is utilized effectively for storing critical timekeeping data.

    MCP795W20-I/ST FAQ

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    We have a professional and experienced quality control team to strictly verify and test the MCP795W20-I/ST. All suppliers must pass our qualification reviews before they can publish their products including MCP795W20-I/ST on icwhale.com; we pay more attention to the channels and quality of MCP795W20-I/ST products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.

    3. Are the MCP795W20-I/ST price and inventory displayed accurate?

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    6. What is the process for return or replacement of MCP795W20-I/ST?

    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 MCP795W20-I/ST we delivered, we will accept the replacement or return of the MCP795W20-I/ST 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 MCP795W20-I/ST.

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    (1)Inform us within 90 days

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