An I2C bidirectional bus is used to transport address and data serially. ![]() Two programmable time-of-day alarms are included, as well as a programmable square-wave output. ![]() The clock has an AM/PM indication and works in either a 24-hour or 12-hour mode. For months with less than 31 days, the date at the end of the month is automatically modified, including leap year corrections. The RTC keeps track of seconds, minutes, hours, days, dates, months, and years. The device's long-term precision is improved by the inclusion of the crystal oscillator. When the module's power is interrupted, the device has a battery input and keeps a precise time. The DS3231 is an I2C real-time clock (RTC) with an inbuilt temperature compensated crystal oscillator (TCXO) and crystal that is both low-cost and exceptionally precise. ![]() ![]() It is used in many time-critical applications and devices, such as servers, GPS, and data loggers. So how do electronics do it? The answer is DS3231, a Real-Time Clock, often known as an RTC, is a timekeeping device built into an Integrated Circuit, or IC. In today's world, time is everything, and when it comes to specific electronics, timing is critical just like us, humans, they also need a way to keep track of time.
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