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Name: MCP795W20T-I/ST
Brand: Microchip Technology
SKU: MCP795W20T-I/ST
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Microchip Technology MCP795W20T-I/ST

Part No.:: MCP795W20T-I/ST

Manufacturer:: Microchip Technology

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

Datasheet:: MCP795W20T-I/ST.pdf

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

In Stock:: 3881

Quantity:: Add To Cart

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MCP795W20T-I/ST Specifications

Package/Case:
14-TSSOP (0.173, 4.40mm Width)
Packaging:
Tape & Reel (TR)
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

MCP795W20T-I/ST this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including MCP795W20T-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 MCP795W20T-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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MCP795W20T-I/ST information

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Basic introduction and simple engineering application of MCP795W20T-I/ST

MCP795W20T-I/ST is a real-time clock (RTC) chip manufactured by Microchip Technology, offering precise timekeeping capabilities for a wide range of applications. It features low power consumption, high accuracy, and a rich set of features suitable for embedded systems and IoT devices.

Application Scenario:

In a home automation project, MCP795W20T-I/ST can be utilized to keep track of time and schedule various tasks, such as turning lights on/off at specific times or controlling the operation of home appliances based on predefined schedules.

Circuit Design:

To incorporate MCP795W20T-I/ST into a simple home automation project, follow these steps:

1. RTC Integration:

Connect MCP795W20T-I/ST to the microcontroller or single-board computer (SBC) using the I2C or SPI communication interface. Ensure proper pull-up resistors are connected to the SCL and SDA lines for reliable communication.

2. Time Setting:

Write firmware code to initialize MCP795W20T-I/ST and set the current date and time. Use the appropriate communication protocol and register addresses to configure the RTC according to the desired time zone and daylight saving time settings.

3. Task Scheduling:

Implement logic in the firmware to schedule tasks based on the RTC's timekeeping. For example, define routines to activate or deactivate devices connected to GPIO pins at specific times of the day or week.

4. User Interface:

Integrate a user interface, such as buttons or a web-based interface, to allow users to adjust the RTC's settings or view scheduled tasks. Utilize the microcontroller's GPIO pins or communication interfaces to interact with the user interface components.

5. Power Management:

Implement power-saving features to prolong the battery life of the system when running on battery power. Utilize MCP795W20T-I/ST's low-power modes and configure the microcontroller to enter sleep mode when idle.

Considerations:

When designing the home automation system, consider the following:

- Backup Power: Implement a backup power source, such as a coin cell battery, to maintain the RTC's timekeeping during power outages or when the main power source is disconnected.

- Security: Ensure that communication between the microcontroller and MCP795W20T-I/ST is secure to prevent unauthorized access or tampering with the RTC's settings.

- Firmware Updates: Allow for firmware updates to incorporate new features or address security vulnerabilities in the system, including updates to the RTC's firmware if applicable.

- Scalability: Design the system to accommodate future expansion or integration with additional sensors or actuators for enhanced home automation functionality.

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6. What is the process for return or replacement of MCP795W20T-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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