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Name: MCP7940NT-I/MNY
Brand: Microchip Technology
SKU: MCP7940NT-I/MNY
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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Microchip Technology MCP7940NT-I/MNY

Part No.:: MCP7940NT-I/MNY

Manufacturer:: Microchip Technology

Package:: 8-WFDFN Exposed Pad

Datasheet:: MCP7940NT-I/MNY.pdf

Description:: IC RTC CLK/CALENDAR I2C 8-TDFN

In Stock:: 3113

Quantity:: Add To Cart

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MCP7940NT-I/MNY Specifications

Package/Case:
8-WFDFN Exposed Pad
Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
Automotive, AEC-Q100
ProductStatus:
Active
Type:
Clock/Calendar
Features:
Alarm, Leap Year, Square Wave Output, SRAM
MemorySize:
64B
TimeFormat:
HH:MM:SS (12/24 hr)
DateFormat:
YY-MM-DD-dd
Interface:
I²C, 2-Wire Serial
Voltage-Supply:
1.8V ~ 5.5V
Voltage-SupplyBattery:
1.3V ~ 5.5V
Current-Timekeeping(Max):
1.2µA @ 3.3V
OperatingTemperature:
-40°C ~ 85°C
MountingType:
Surface Mount

MCP7940NT-I/MNY this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including MCP7940NT-I/MNY 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 MCP7940NT-I/MNY 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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MCP7940NT-I/MNY information

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Basic introduction and simple engineering application of MCP7940NT-I/MNY

MCP7940NT-I/MNY is a highly integrated real-time clock (RTC) module manufactured by Microchip Technology. It offers accurate timekeeping functionality along with additional features such as alarm capabilities and battery backup, making it suitable for a wide range of applications.

Application Scenario:

In this educational project, we will explore the use of MCP7940NT-I/MNY in a simple digital clock application. This project will help beginners understand how to interface with the RTC module and utilize its features to build a basic timekeeping system.

Experiment Setup:

To create a digital clock using MCP7940NT-I/MNY, follow these steps:

1. Module Connection:

Connect the MCP7940NT-I/MNY module to your microcontroller platform using the I2C communication protocol. Ensure proper wiring of SDA (data) and SCL (clock) pins to the corresponding pins on your microcontroller.

2. Initialization:

Initialize the communication with the MCP7940NT-I/MNY module by sending the appropriate commands through the I2C interface. This includes setting the clock configuration, enabling the oscillator, and configuring alarm settings if desired.

3. Timekeeping:

Read the current time from the MCP7940NT-I/MNY module registers periodically to update the clock display. Convert the time data into a human-readable format (hours, minutes, seconds) for display purposes.

4. User Interface:

Implement a user interface to display the current time. This can be done using an LCD screen or a series of LEDs. Utilize the output pins of your microcontroller to drive the display components and update them with the current time information.

5. Testing:

Test the functionality of your digital clock system by verifying that it accurately displays the current time as provided by the MCP7940NT-I/MNY module. Ensure that the clock maintains accurate timekeeping even after power cycles or when the main power source is removed (using the module's battery backup).

Considerations:

When working with MCP7940NT-I/MNY and designing your digital clock project, keep the following considerations in mind:

- I2C Communication: Ensure proper communication protocol implementation and address configuration for interfacing with the MCP7940NT-I/MNY module.

- Power Supply: Provide stable power to both the microcontroller and the MCP7940NT-I/MNY module to ensure reliable operation and accurate timekeeping.

- Error Handling: Implement error-checking routines to handle communication errors or unexpected responses from the RTC module, ensuring robustness and reliability.

- Alarm Functionality: Explore the alarm capabilities of the MCP7940NT-I/MNY module and integrate them into your project for additional functionality, such as triggering events at specific times.

- Modular Design: Design your digital clock system in a modular fashion, allowing for easy expansion or modification of features in the future.

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