DS1307 Real Time Clock
Building our own digital clock is one of the dreamed project by most of the hobbyist or anyone that want to learn or involve seriously in the embedded system world; the ability to integrate time, day and date to the embedded system is one of the important knowledge that should be known by any embedded system designer.
Today’s technology makes life easier as all these capabilities has already built nicely inside the Maxim (Dallas) DS1307 Real Time Clock (RTC) chip. The DS1307 is capable to count accurately the second, minute, hour, day of the week, date of the month, month and year include the leap year until the year 2100; with its I2C (read as I squared C, Inter-Integrated Circuit) interface capabilities make this chip easily to be integrated with widely available microcontroller that has build in I2C peripheral.
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