The MCP795W21-I/ST is an IC (Integrated Circuit) component manufactured by Microchip Technology. It is a Real-Time Clock (RTC) module that offers accurate timekeeping and extensive functionality. Here are the key features of the MCP795W21-I/ST:
1. Real-Time Clock: The MCP795W21-I/ST provides real-time clock/calendar functionality, which includes timekeeping, date tracking, and day of the week calculation. It keeps track of time even when not powered, thanks to its integrated battery backup.
2. Accuracy: The IC component offers exceptional accuracy with a typical timekeeping error of only ±1 minute per month. This precision ensures reliable timekeeping in various applications.
3. Serial Communication Interface: It supports the standard Serial Peripheral Interface (SPI), allowing easy integration with microcontrollers and other digital circuits.
4. Non-Volatile Memory: The MCP795W21-I/ST has a non-volatile memory (NVSRAM) that can store up to 128 bytes of user data. This feature is useful for storing critical information such as configuration settings or user preferences.
5. Power Management: The IC component utilizes low power consumption techniques, enabling prolonged battery life. It features multiple power modes for efficient energy utilization.
6. Alarm Functionality: It incorporates alarm features that provide configuration options for generating alarms at specific times or dates. These alarms can trigger interruptions or other actions in the system
