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Name: MCP795W10-I/ST
Brand: Microchip Technology
SKU: MCP795W10-I/ST
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Microchip Technology MCP795W10-I/ST

Part No.:: MCP795W10-I/ST

Manufacturer:: Microchip Technology

Package:: 14-TSSOP (0.173, 4.40mm Width)

Datasheet:: MCP795W10-I/ST.pdf

Description:: IC RTC CLK/CALENDAR SPI 14-TSSOP

In Stock:: 2585

Quantity:: Add To Cart

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MCP795W10-I/ST Specifications

Package/Case:
14-TSSOP (0.173, 4.40mm Width)
Packaging:
Tube
Series:
-
ProductStatus:
Active
Type:
Clock/Calendar
Features:
Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Watchdog Timer
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 ~ 5.5V
OperatingTemperature:
-40°C ~ 85°C
MountingType:
Surface Mount

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MCP795W10-I/ST information

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Basic introduction and simple engineering application of MCP795W10-I/ST

MCP795W10-I/ST is a real-time clock (RTC) module manufactured by Microchip Technology, offering accurate timekeeping functionality for a variety of applications. It integrates a 64-bit EEPROM for storing time and date information, along with alarm and timer functions.

Application Scenario:

In embedded systems, MCP795W10-I/ST can be utilized for tasks requiring precise timekeeping, such as data logging, event scheduling, and time-based control systems.

Circuit Design:

To implement an RTC-based clock using MCP795W10-I/ST, follow these steps:

1. Module Integration:

Connect MCP795W10-I/ST to your microcontroller or development board using the I2C or SPI communication interface. Ensure proper wiring and configure the communication protocol according to the datasheet.

2. Time Initialization:

Initialize the RTC module by setting the current time and date. Utilize the appropriate commands or functions provided in the device datasheet or programming library to configure the RTC registers with the desired time values.

3. Alarm Configuration:

Program alarm settings if needed for triggering specific events or actions at predetermined times. Set the alarm registers with the desired alarm time and enable the alarm interrupt to execute the corresponding firmware routine.

4. Timer Functionality:

Utilize the built-in timer functionality of MCP795W10-I/ST for tasks requiring time-based operations, such as periodic data sampling or system periodic wake-up from low-power modes.

5. Power Backup:

Ensure proper power backup for MCP795W10-I/ST to maintain timekeeping functionality during power loss or system shutdown. Connect a backup battery, such as a coin cell or supercapacitor, to the VBAT pin to retain the RTC's timekeeping capabilities.

Experiment:

To demonstrate the functionality of MCP795W10-I/ST in a simple project, consider building a digital clock with alarm capability using an Arduino microcontroller.

Experiment Steps:

1. Hardware Setup: Connect MCP795W10-I/ST to Arduino using the I2C interface. Wire the necessary connections for SDA (data) and SCL (clock) pins, and connect the VCC and GND pins to the appropriate power supply.

2. Library Installation: Install the necessary libraries for interfacing MCP795W10-I/ST with Arduino. Search and install the RTC library compatible with MCP795W10-I/ST from the Arduino Library Manager.

3. Time Initialization: Write a sketch to initialize the RTC module with the current time and date. Use the provided library functions to set the time registers of MCP795W10-I/ST.

4. Display: Connect an LCD display to Arduino to show the current time and date retrieved from MCP795W10-I/ST. Utilize the LiquidCrystal library to interface with the LCD and display the RTC data.

5. Alarm Setup: Implement an alarm feature using MCP795W10-I/ST. Write code to set an alarm time and configure the alarm interrupt to trigger a specific action, such as activating a buzzer or LED.

Conclusion:

In conclusion, MCP795W10-I/ST is a versatile RTC module suitable for various timekeeping applications in embedded systems. By following the provided experiment steps, beginners can gain hands-on experience with MCP795W10-I/ST and understand its functionalities in practical projects.

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