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Name: DS1342U+T&R
Brand: Analog Devices Inc./Maxim Integrated
SKU: DS1342U+T&R
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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Analog Devices Inc./Maxim Integrated DS1342U+T&R

Part No.:: DS1342U+T&R

Manufacturer:: Analog Devices Inc./Maxim Integrated

Package:: 8-TSSOP, 8-MSOP (0.118, 3.00mm Width)

Datasheet:: DS1342U+T&R.pdf

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

In Stock:: 19725

Quantity:: Add To Cart

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Basic introduction and simple engineering application of DS1342U+T&R

DS1342U+T&R is a real-time clock (RTC) chip manufactured by Maxim Integrated. It offers accurate timekeeping and a range of features suitable for various applications, including embedded systems, consumer electronics, and industrial equipment.

Introduction:

DS1342U+T&R is a low-power RTC chip with a built-in 31 x 8 RAM, which can be used to store system configuration or other essential data. It communicates with the host microcontroller via a simple serial interface, making it easy to integrate into existing designs.

Application Scenario:

In a digital alarm clock project, DS1342U+T&R can be utilized to keep track of time and trigger alarm events at specific intervals.

Circuit Design:

To build a digital alarm clock using DS1342U+T&R, follow these steps:

1. RTC Connection:

Connect the necessary pins of DS1342U+T&R to the microcontroller, ensuring proper power and ground connections. Utilize the serial interface (SPI or I2C) to communicate with the RTC chip.

2. Display Integration:

Integrate a display module, such as an LCD or LED display, to show the current time and alarm settings. Utilize the microcontroller's GPIO pins to control the display and update the information retrieved from DS1342U+T&R.

3. Alarm Configuration:

Implement firmware logic to set and manage alarm times using the RTC chip. Utilize the built-in alarm functionality of DS1342U+T&R to trigger events at specific times.

4. User Interface:

Add user interface components, such as buttons or a keypad, to allow users to interact with the alarm clock. Use the microcontroller's GPIO pins to detect button presses and adjust alarm settings.

5. Power Management:

Ensure proper power supply and management for both the microcontroller and DS1342U+T&R. Implement power-saving features to prolong battery life in portable applications.

Experiment Steps:

1. Connect the necessary pins of DS1342U+T&R to your microcontroller development board according to the datasheet.

2. Write firmware code to initialize the RTC chip and configure the current time.

3. Implement logic to set alarm times and trigger events based on the alarm functionality of DS1342U+T&R.

4. Integrate a display module and update it with the current time retrieved from DS1342U+T&R.

5. Test the alarm functionality by setting different alarm times and verifying that the alarm triggers the desired events.

Considerations:

- Accuracy: Ensure that DS1342U+T&R maintains accurate timekeeping over extended periods.

- Power Consumption: Optimize the design to minimize power consumption, especially in battery-powered applications.

- User Experience: Design the user interface to be intuitive and easy to use, considering factors such as button layout and feedback.

- Alarm Reliability: Test the alarm functionality thoroughly to ensure it triggers reliably under various conditions.

- Integration: Ensure compatibility and proper communication between DS1342U+T&R and the microcontroller.

DS1342U+T&R information

DS1342U+T&R Specifications

Package/Case:
8-TSSOP, 8-MSOP (0.118, 3.00mm Width)
Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
-
ProductStatus:
Active
Type:
Clock/Calendar
Features:
Alarm, Leap Year, Square Wave Output
MemorySize:
-
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:
-
Current-Timekeeping(Max):
0.6µA ~ 0.7µA @ 3V ~ 5V
OperatingTemperature:
-40°C ~ 85°C
MountingType:
Surface Mount

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6. What is the process for return or replacement of DS1342U+T&R?

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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.

(2)We are informed of the defect described above within 90 days after the delivery of DS1342U+T&R.

(3)The PartNo is unused and only in the original unpacked packaging.

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