DS12C887

The DS12C887 is a real-time clock (RTC) component manufactured by Maxim Integrated. It offers accurate timekeeping functions and a range of features that make it suitable for various applications. Here are some key features of the DS12C887: 1. Real-Time Clock: The DS12C887 provides a built-in oscillator that generates timekeeping signals. It can accurately keep track of seconds, minutes, hours, days, months, and years. 2. Non-Volatile Ram (NVRAM): The DS12C887 has 114 bytes of NVRAM, which allows it to retain time and configuration information even when the power supply is disconnected. This feature is crucial for ensuring uninterrupted timekeeping. 3. Battery Backup: With a built-in power sense circuit, the DS12C887 can detect power failures and automatically switch to battery backup. This ensures that the clock continues to operate even during power outages. 4. Alarm and Timer Functions: The DS12C887 provides two programmable time-of-day alarms and a programmable square-wave output. It also offers a countdown timer with a programmable interval. 5. Integrated Watchdog Timer: This component includes a watchdog timer that monitors system activities and resets the microcontroller if necessary. It helps enhance the overall system reliability and safety. 6. Integrated Calendar: The DS12C887 features a full calendar that can accurately determine the day of the week, date, month, and year