What’s an RTC?
A real time clock (RTC) is a micropower real-time
clock/calendar. This device has a back-up power supply to
function even when a system is off. It is separate from the
CPU clock, freeing the system clock for other vital functions.
RTCs are included in every electronic device that keeps
track of time.
Using Intersil’s High Accuracy
Real Time Clock Module
Application Note February 28, 2008 AN1389.0
What’s an RTC? maximum of 2.4 minutes per year. This high accuracy also
provides reliability needed in security systems. The 1.8V
A real time clock (RTC) is a micropower real-time
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