The DS12C887A is a part number associated with the DS12C887A real-time clock (RTC) module manufactured by Maxim Integrated. The DS12C887A is a low-power, full binary-coded decimal (BCD) clock/calendar chip that provides accurate timekeeping and calendar functionality.
Here are some key details and features associated with the DS12C887A:
1.Real-Time Clock/Calendar: The DS12C887A module provides accurate timekeeping and calendar functions. It can track seconds, minutes, hours, day, date, month, and year.
2.Non-Volatile RAM (NVRAM): The module includes non-volatile RAM (NVRAM) for storing time, date, and other user-defined information. The data is retained even when power is disconnected.
3.Battery Backup: The DS12C887A supports battery backup to maintain timekeeping and data retention during power loss. It has a built-in trickle charger for the backup battery.
4.Alarm Functionality: The module offers programmable alarm interrupts, allowing specific events to be triggered at specified times.
5.I2C Interface: The DS12C887A communicates with the host microcontroller or system using the I2C (Inter-Integrated Circuit) serial interface, enabling easy integration and communication.
6.Oscillator Compensation: The module includes an oscillator compensation circuitry to adjust for crystal frequency variations, ensuring accurate timekeeping.
7.Power Management: The DS12C887A is designed with low-power consumption features, allowing for efficient operation and extended battery life.
8.Accurate Timekeeping: The DS12C887A provides accurate timekeeping functionality, tracking seconds, minutes, hours, day, date, month, and year.
Please note that these details are general in nature, and for specific parameters, features, and specifications of the DS12C887A, it is recommended to refer to the product datasheet or documentation provided by Maxim Integrated.
Here are some parameters and specifications associated with the DS12C887A real-time clock (RTC) module:
1.Supply Voltage Range: The DS12C887A typically operates within a supply voltage range of 4.5V to 5.5V.
2.Timekeeping Accuracy: The typical timekeeping accuracy of the DS12C887A is within a few seconds per month.
3.Clock Output: The module can provide a programmable square-wave clock output with frequencies ranging from 32.768kHz to 1Hz.
4.Battery Backup: The DS12C887A supports battery backup to maintain timekeeping and preserve data during power loss. It has a built-in trickle charger for the backup battery.
5.Memory Capacity: The DS12C887A has 114 bytes of non-volatile RAM (NVRAM) available for storing time, date, and configuration information.
6.Alarm Functionality: The module supports two programmable alarm interrupts, allowing specific events to be triggered at specified times.
7.I2C Interface: The DS12C887A communicates with the host microcontroller or system using the I2C (Inter-Integrated Circuit) serial interface. It operates as a slave device with a programmable I2C address.
8.Operating Temperature Range: The module is designed to operate within a temperature range of 0°C to +70°C.
Please note that these parameters and specifications are based on general information, and for specific and up-to-date details about the DS12C887A, it is recommended to refer to the product datasheet or documentation provided by Maxim Integrated.
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