Product Details:
This RTC module is a part of the Seeed Studio's Grove system. Based around the DS1307 and powered by a CR1225 lithium coin cell, this board tracks full time and date information (s:m:h, d:m:y) including short month and leap year compensation. It can even display either 12 or 24 hour clocks with AM/PM indicator.
Specifications:
• Real-Time Clock (RTC) counts seconds,minutes, hours, date, month, and year with leap-year compensation valid up to 2100 • 56-Byte, battery-backed, nonvolatile (NV)RAM for data storage • I2C serial interface • 5V DC supply • Programmable square-wave output signal • Automatic power-fail detect and switch circuitry • Consumes less than 500nA in battery-backup mode with oscillator running
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