MCP79521T-I/MS

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MCP79521T-I/MS is a 32kHz Real Time Clock (RTC) with EEPROM, from Microchip Technologies Inc.This popular device is used to provide time and data storage for applications in a wide variety of industries and applications, such as automotive, consumer, industrial, medical, and telecommunications.The MCP79521T-I/MS uses a dedicated 32kHz crystal as its time base, and has an I2C interface. The MCP79521T-I/MS offers a variety of features and functions, including real-time clock calendar, alarm, interrupt flag, frequency meter, date and time stamp, temperature sensor, and analog voltage comparator.

The main application fields of MCP79521T-I/MS are precise time keeping, data logging, and system synchronization.The RTC has a set of registers that allow the user to program and set the time and date, as well as other functions of the device. The MCP79521T-I/MS features an onboard EEPROM which enables the user to store large amounts of data, including configuration, settings, and measurements. The EEPROM has 256 bytes of memory, with block protection, allowing the user to protect individual blocks from being overwritten.

The working principle of the MCP79521T-I/MS is based on its crystal oscillator, which generates an accurate 32kHz signal. This fundamental frequency is used to drive the main oscillator, which is responsible for the time keeping. The precision of the main oscillator is determined by the accuracy of the crystal oscillator. The registers of the device are programmed via the I2C interface.The user can set the time, calendar, interrupt flag, alarm, and other parameters.

The MCP79521T-I/MS is a reliable and cost-effective solution for applications requiring precise time keeping and storage of data.The device has a small form factor and requires minimal external components, making it ideal for low-power applications. Additionally, the onboard EEPROM is ideal for storing large amounts of time-stamped data.The MCP79521T-I/MS offers the user a wide range of features and flexibility, making it an ideal choice for many applications.

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