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Name: MCP79521T-I/MN
Brand: Microchip Technology
SKU: MCP79521T-I/MN
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 MCP79521T-I/MN

Part No.:: MCP79521T-I/MN

Manufacturer:: Microchip Technology

Package:: 10-WFDFN Exposed Pad

Datasheet:: MCP79521T-I/MN.pdf

Description:: IC RTC CLK/CALENDAR SPI 10-TDFN

In Stock:: 2707

Quantity:: Add To Cart

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MCP79521T-I/MN Specifications

Package/Case:
10-WFDFN Exposed Pad
Packaging:
Tape & Reel (TR)
Series:
-
ProductStatus:
Active
Type:
Clock/Calendar
Features:
Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID
MemorySize:
64B
TimeFormat:
HH:MM:SS:hh (12/24 hr)
DateFormat:
YY-MM-DD-dd
Interface:
SPI
Voltage-Supply:
1.8V ~ 3.6V
Voltage-SupplyBattery:
1.3V ~ 3.6V
Current-Timekeeping(Max):
1µA @ 1.8V ~ 3.6V
OperatingTemperature:
-40°C ~ 85°C
MountingType:
Surface Mount

MCP79521T-I/MN this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including MCP79521T-I/MN 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 MCP79521T-I/MN 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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MCP79521T-I/MN information

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Basic introduction and simple engineering application of MCP79521T-I/MN

MCP79521T-I/MN is a real-time clock/calendar (RTC) device with battery backup capability, manufactured by Microchip Technology Inc. It provides accurate timekeeping and calendar functions, making it suitable for a wide range of applications requiring precise timekeeping, such as data logging systems, industrial automation, and consumer electronics.

Introduction:

The MCP79521T-I/MN RTC operates using an external 32.768 kHz crystal oscillator, ensuring high accuracy timekeeping with low power consumption. It features a battery backup input to maintain timekeeping even when the main power source is disconnected, offering reliability in various operating conditions.

Application Scenario:

In this educational project, we will utilize the MCP79521T-I/MN RTC to create a simple digital clock system using a microcontroller.

Project Components:

To build the digital clock system, you will need the following components:

1. Microcontroller (e.g., Arduino Uno)

2. MCP79521T-I/MN RTC module

3. 32.768 kHz crystal oscillator

4. Battery for RTC backup (CR2032 or similar)

5. Breadboard and jumper wires

Experiment Steps:

1. Hardware Setup:

Connect the components on the breadboard as follows:

- Connect the 32.768 kHz crystal oscillator to the appropriate pins on the MCP79521T-I/MN RTC module.

- Connect the RTC module to the microcontroller using jumper wires. Ensure proper connections for SDA (data) and SCL (clock) lines.

- Insert the backup battery into the RTC module to provide power during main power loss.

2. Software Configuration:

Upload the RTC library to your microcontroller platform (e.g., Arduino IDE). This library provides functions to interact with the MCP79521T-I/MN RTC module.

3. Time Initialization:

Write a simple initialization code to set the current time and date on the RTC module. This step ensures accurate timekeeping from the start.

4. Digital Clock Display:

Write a program to continuously read the time from the RTC module and display it on the microcontroller's output device (e.g., LCD screen or serial monitor). Format the time and date as desired.

5. Test and Debug:

Run the code on your microcontroller and observe the digital clock display. Verify that the time updates correctly and remains accurate even after power cycling or RTC backup battery removal.

Conclusion:

In this project, we have demonstrated the basic functionality of the MCP79521T-I/MN RTC module and its application in creating a simple digital clock system. By following the provided steps, beginners can gain hands-on experience in interfacing with RTC devices and integrating them into microcontroller projects.

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6. What is the process for return or replacement of MCP79521T-I/MN?

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

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