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Name: MCP79412T-I/ST
Brand: Microchip Technology
SKU: MCP79412T-I/ST
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 MCP79412T-I/ST

Part No.:: MCP79412T-I/ST

Manufacturer:: Microchip Technology

Package:: 8-TSSOP (0.173, 4.40mm Width)

Datasheet:: MCP79412T-I/ST.pdf

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

In Stock:: 2366

Quantity:: Add To Cart

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MCP79412T-I/ST Specifications

Package/Case:
8-TSSOP (0.173, 4.40mm Width)
Packaging:
Tape & Reel (TR)
Series:
-
ProductStatus:
Active
Type:
Clock/Calendar
Features:
Alarm, Leap Year, Square Wave Output, SRAM, Unique ID
MemorySize:
64B, 1Kb
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

MCP79412T-I/ST this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including MCP79412T-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 MCP79412T-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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MCP79412T-I/ST information

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Basic introduction and simple engineering application of MCP79412T-I/ST

MCP79412T-I/ST is a real-time clock (RTC) module manufactured by Microchip Technology, offering accurate timekeeping and calendar functionality. It is commonly used in embedded systems and electronic devices where precise timekeeping is essential.

Application Scenario:

In a home automation project, MCP79412T-I/ST can be utilized to timestamp events, schedule tasks, and synchronize various system operations based on real-world time.

Circuit Design:

To integrate MCP79412T-I/ST into a home automation system, follow these steps:

1. Hardware Connection:

Connect MCP79412T-I/ST to the microcontroller or single-board computer (SBC) using the I2C communication protocol. Ensure proper pull-up resistors are connected to the SDA and SCL lines for reliable communication.

2. Initialization:

Initialize the MCP79412T-I/ST module by configuring its internal registers for the desired time format (12-hour or 24-hour), alarm settings, and square wave output frequency (if needed).

3. Timekeeping:

Utilize the MCP79412T-I/ST module to keep track of the current time and date. Periodically update the module's registers with the current time obtained from an external time source or user input.

4. Alarm Functionality:

Implement alarm features using the MCP79412T-I/ST module to trigger specific actions or events at predetermined times. Configure the alarm registers and interrupt pins to respond to alarm conditions.

5. User Interface:

Integrate a user interface, such as an LCD display or LEDs, to display the current time and alarm status. Use GPIO pins of the microcontroller or SBC to interface with the display components.

Experiment:

To understand the functionality of MCP79412T-I/ST better, let's conduct a simple experiment to set the current time and trigger an alarm.

Experiment Steps:

1. Hardware Setup: Connect MCP79412T-I/ST to an Arduino board using the I2C interface. Ensure the necessary pull-up resistors are in place.

2. Initialization: Write a simple Arduino sketch to initialize the MCP79412T-I/ST module and set the current time to a predefined value.

3. Time Display: Modify the sketch to read the current time from MCP79412T-I/ST and display it on an attached LCD display.

4. Alarm Configuration: Set an alarm on the MCP79412T-I/ST module to trigger after a specific delay (e.g., 1 minute).

5. Alarm Action: When the alarm triggers, activate an LED connected to the Arduino board to indicate the alarm event.

Conclusion:

In this experiment, we've explored the basic functionality of MCP79412T-I/ST in a simple project setting. Its accurate timekeeping and alarm capabilities make it a valuable component in various embedded systems and electronic devices.

Considerations:

- Power Backup: Ensure the MCP79412T-I/ST module has a backup power source, such as a coin cell battery, to maintain timekeeping functionality during power outages.

- Error Handling: Implement error-checking mechanisms in the firmware to handle communication errors or module malfunction gracefully.

- System Integration: Integrate MCP79412T-I/ST seamlessly into the overall system architecture, considering factors like bus contention and addressing conflicts.

- User Interface Design: Design a user-friendly interface to interact with the MCP79412T-I/ST module, allowing users to set alarms and adjust time settings easily.

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