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Name: MCP79412-I/ST
Brand: Microchip Technology
SKU: MCP79412-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 MCP79412-I/ST

Part No.:: MCP79412-I/ST

Manufacturer:: Microchip Technology

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

Datasheet:: MCP79412-I/ST.pdf

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

In Stock:: 2595

Quantity:: Add To Cart

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MCP79412-I/ST Specifications

Package/Case:
8-TSSOP (0.173, 4.40mm Width)
Packaging:
Tube
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

MCP79412-I/ST this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including MCP79412-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 MCP79412-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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MCP79412-I/ST information

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Basic introduction and simple engineering application of MCP79412-I/ST

MCP79412-I/ST is a highly integrated real-time clock/calendar (RTC) with EEPROM and SRAM, ideal for various timekeeping applications. It features a battery backup input, digital trimming for accuracy, and a programmable square wave output.

Application Scenario:

In a simple project, MCP79412-I/ST can be utilized to create a digital clock with alarm functionality, providing an educational platform for understanding RTCs and basic microcontroller interfacing.

Experiment Steps:

1. Hardware Setup:

Connect the MCP79412-I/ST to a microcontroller development board, ensuring proper power supply and ground connections. Use the I2C interface for communication with the microcontroller.

2. Initialization:

Initialize the microcontroller's I2C peripheral and configure it to communicate with the MCP79412-I/ST RTC. Send initialization commands to set up the RTC's internal registers for timekeeping.

3. Time Setting:

Implement functions in the microcontroller firmware to set the current time and date on the MCP79412-I/ST RTC. Allow user input through buttons or serial communication to adjust the time and date parameters.

4. Alarm Configuration:

Enable the alarm feature of the MCP79412-I/ST RTC and configure the alarm registers with the desired alarm time. Implement interrupt handling in the microcontroller firmware to respond to alarm events.

5. Real-Time Clock Display:

Design a user interface on an LCD display or serial terminal to show the current time and date retrieved from the MCP79412-I/ST RTC. Update the display periodically to reflect the real-time clock's accuracy.

6. Alarm Notification:

When the alarm triggers, generate a notification through LEDs, sound buzzer, or serial output, indicating the alarm event. Allow user interaction to acknowledge or snooze the alarm.

Considerations:

- Power Backup: Ensure a backup power source, such as a coin cell battery, is connected to the MCP79412-I/ST to maintain timekeeping functionality during main power loss.

- I2C Communication: Implement error checking and handling in the microcontroller firmware to deal with communication errors or bus contention during interaction with the MCP79412-I/ST.

- Accuracy Calibration: Utilize the digital trimming feature of the MCP79412-I/ST to calibrate the RTC's clock frequency for improved timekeeping accuracy.

- Low Power Operation: Optimize the microcontroller firmware to minimize power consumption when not actively interacting with the MCP79412-I/ST RTC, prolonging battery life in portable applications.

- Educational Value: Encourage experimentation and exploration with the MCP79412-I/ST RTC to deepen understanding of timekeeping principles, I2C communication, and microcontroller interfacing.

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6. What is the process for return or replacement of MCP79412-I/ST?

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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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