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Name: MCP795B22-I/SL
Brand: Microchip Technology
SKU: MCP795B22-I/SL
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 MCP795B22-I/SL

Part No.:: MCP795B22-I/SL

Manufacturer:: Microchip Technology

Package:: 14-SOIC (0.154, 3.90mm Width)

Datasheet:: MCP795B22-I/SL.pdf

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

In Stock:: 2097

Quantity:: Add To Cart

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MCP795B22-I/SL Specifications

Package/Case:
14-SOIC (0.154, 3.90mm Width)
Packaging:
Tube
Series:
-
ProductStatus:
Obsolete
Type:
Clock/Calendar
Features:
Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID, Watchdog Timer
MemorySize:
64B
TimeFormat:
HH:MM:SS:hh (12/24 hr)
DateFormat:
YY-MM-DD-dd
Interface:
SPI
Voltage-Supply:
1.8V ~ 5.5V
Voltage-SupplyBattery:
1.3V ~ 5.5V
Current-Timekeeping(Max):
1µA @ 1.8V ~ 5.5V
OperatingTemperature:
-40°C ~ 85°C
MountingType:
Surface Mount

MCP795B22-I/SL this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including MCP795B22-I/SL 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 MCP795B22-I/SL 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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MCP795B22-I/SL information

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Basic introduction and simple engineering application of MCP795B22-I/SL

MCP795B22-I/SL is a real-time clock (RTC) module manufactured by Microchip Technology. It is commonly used in embedded systems to keep track of time and date with high accuracy and reliability.

Application Scenario:

In a home automation project, MCP795B22-I/SL can be utilized to schedule and trigger various events based on specific times of the day, such as turning lights on/off, adjusting thermostat settings, or activating security systems.

Circuit Design:

To integrate MCP795B22-I/SL into a home automation system, follow these steps:

1. Hardware Connection:

Connect MCP795B22-I/SL to the microcontroller's I2C interface. Ensure proper pull-up resistors are connected to the SDA and SCL lines for stable communication.

2. Initialization:

Initialize the RTC module by configuring the necessary registers through the microcontroller. Set the current time and date, along with any alarm settings if required.

3. Timekeeping:

Periodically read the time and date from MCP795B22-I/SL to keep track of the current time in the system. Adjust for daylight saving time or time zone changes if necessary.

4. Event Scheduling:

Implement logic in the microcontroller to schedule events based on specific times stored in MCP795B22-I/SL. For example, turn on lights at 6:00 PM or activate the security system at midnight.

5. User Interface:

Integrate a user interface, such as buttons or a touchscreen display, to allow users to set time-based schedules or view current time and scheduled events.

Experiment:

To better understand the functionality of MCP795B22-I/SL, try the following experiment:

1. Hardware Setup:

Connect MCP795B22-I/SL to an Arduino or similar microcontroller board using the I2C interface. Ensure proper connections and supply power to both devices.

2. Initialization:

Write a simple Arduino sketch to initialize the RTC module and set the current time and date. Verify the settings by reading them back from the module.

3. Time Display:

Display the current time and date on a connected LCD display or serial monitor using the data retrieved from MCP795B22-I/SL. Ensure the displayed time matches the real-time clock.

4. Alarm Testing:

Set an alarm using MCP795B22-I/SL to trigger an LED or buzzer after a specific delay. Verify that the alarm activates at the expected time.

5. Event Scheduling:

Implement a simple event scheduling system where an LED turns on/off at predetermined times throughout the day. Use MCP795B22-I/SL to trigger these events accurately.

Considerations:

When designing the system, consider the following:

- Power Backup: Implement a backup power source, such as a coin cell battery, to ensure MCP795B22-I/SL retains timekeeping functionality during power outages.

- Accuracy: Regularly synchronize MCP795B22-I/SL with an external time source, such as a network time protocol (NTP) server, to maintain accurate timekeeping.

- Error Handling: Implement error-checking mechanisms in the firmware to handle communication errors or invalid data from the RTC module.

- User Interaction: Design a user-friendly interface for setting time schedules and viewing system status to enhance usability.

- Integration: Ensure seamless integration of MCP795B22-I/SL with other components and functionalities of the home automation system for smooth operation.

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6. What is the process for return or replacement of MCP795B22-I/SL?

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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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