2.4. Real Time Clock

The Real Time Clock (RTC) is integrated into the S3C2410. The RTC has a 32KHz crystal attached. The RTC has the capacity to hold the date and time and keep them using a minimum of power, typically 3uA with 1.8V supply. There is also the ability to set alarms which may generate interrupts, this may be used to perform repeating tasks with long intervals without consuming large amounts of power.