RTC 21 Click is a compact add-on board that accurately keeps the time of the day. This board features the PT7C4311, an I2C-configurable real-time clock module with programmable square-wave output from Diodes Incorporated. The PT7C4311 includes time and calendar functions providing various information such as hour, minute, second, day, date, month, year, and century. It operates in a 24-hour format indicator, has automatic leap year compensation, and low power consumption, allowing it to be used with a single button cell battery for an extended period.
This Click board™ is suitable for various time-keeping applications, including daily alarms, metering applications, and others requiring an accurate RTC for their operation.
For more information, visit the RTC 21 Click product page.
