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Name: BQ3285LDSSTRG4
Brand: Texas Instruments
SKU: BQ3285LDSSTRG4
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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Texas Instruments BQ3285LDSSTRG4

Part No.:: BQ3285LDSSTRG4

Manufacturer:: Texas Instruments

Package:: 24-SSOP (0.154, 3.90mm Width)

Datasheet:: BQ3285LDSSTRG4.pdf

Description:: IC RTC CLK/CALENDAR PAR 24-QSOP

In Stock:: 3693

Quantity:: Add To Cart

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BQ3285LDSSTRG4 Specifications

Package/Case:
24-SSOP (0.154, 3.90mm Width)
Packaging:
Tape & Reel (TR)
Series:
-
ProductStatus:
Obsolete
Type:
Clock/Calendar
Features:
Alarm, Daylight Savings, NVSRAM
MemorySize:
242B
TimeFormat:
HH:MM:SS (12/24 hr)
DateFormat:
YY-MM-DD-dd
Interface:
Parallel
Voltage-Supply:
2.7V ~ 5.5V
Voltage-SupplyBattery:
2.4V ~ 4V
Current-Timekeeping(Max):
100µA @ 3V
OperatingTemperature:
0°C ~ 70°C
MountingType:
Surface Mount

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BQ3285LDSSTRG4 information

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Basic introduction and simple engineering application of BQ3285LDSSTRG4

BQ3285LDSSTRG4 is a highly integrated real-time clock (RTC) module commonly used in electronic projects requiring accurate timekeeping functionality. It comes in a small form factor and incorporates various features for easy integration into diverse applications.

Introduction:

The BQ3285LDSSTRG4 RTC module offers precise timekeeping capabilities, including seconds, minutes, hours, day, date, month, and year information. It operates over a wide voltage range, making it suitable for battery-powered devices, and includes built-in power management features to minimize power consumption.

Application Scenario:

In this tutorial, we will explore a simple project using the BQ3285LDSSTRG4 RTC module to build a digital clock with alarm functionality. This project will demonstrate how to interface with the RTC module, read the current time, set alarms, and display the time on a digital display.

Experimental Setup:

To create the digital clock with alarm functionality using the BQ3285LDSSTRG4 RTC module, follow these steps:

1. Hardware Connections:

Connect the BQ3285LDSSTRG4 RTC module to a microcontroller development board. Ensure proper wiring of the module's SDA (serial data), SCL (serial clock), VCC (power supply), and GND (ground) pins to the corresponding pins on the development board.

2. Initialization:

Initialize the communication interface (I2C) between the microcontroller and the BQ3285LDSSTRG4 RTC module. This involves configuring the microcontroller's I2C peripheral and sending the appropriate commands to establish communication with the RTC module.

3. Reading Time:

Read the current time from the BQ3285LDSSTRG4 RTC module. Retrieve the seconds, minutes, hours, day, date, month, and year information using the designated registers provided by the RTC module.

4. Setting Alarms:

Set alarms on the BQ3285LDSSTRG4 RTC module to trigger specific events at predefined times. Configure the alarm registers with the desired time and date values, along with the corresponding alarm mask settings.

5. Display:

Display the current time and alarm status on a digital display, such as an LCD or LED matrix. Utilize the microcontroller's GPIO pins to control the display and update it with the retrieved time information.

Conclusion:

In this project, we have demonstrated the basic functionality of the BQ3285LDSSTRG4 RTC module and its application in building a digital clock with alarm functionality. By following the provided steps, students and beginners can gain hands-on experience with interfacing RTC modules and implementing timekeeping features in their projects.

Key Considerations:

- Power Supply: Ensure a stable power supply to the BQ3285LDSSTRG4 RTC module to maintain accurate timekeeping.

- Communication Protocol: Understand the I2C communication protocol for interfacing with the RTC module and transferring data between the module and the microcontroller.

- Alarm Configuration: Familiarize yourself with the alarm registers and settings on the RTC module to effectively set and manage alarms for your application.

- Display Integration: Choose an appropriate display interface and design a user-friendly interface to present the time and alarm information to the user.

- Testing and Debugging: Thoroughly test the functionality of the digital clock with alarm features, and debug any issues encountered during development to ensure proper operation.

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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 BQ3285LDSSTRG4.

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