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<div style="text-align: center;">Simplified RTC diagram</div><br>
→Clock drifts
** RTC battery is used: PMIC RTC peripheral keeps hardware clock alive when OS isn't running and backup battery powers the backup state as far as the input voltage is high enough.
== Clock driftsSimplified RTC diagram == IGEP Boards use as a source clock a 32.768kHz crystal. This passive component can add clock drifts due: *General drift error*Ambient temperature error*Aging error* ... Some software tools can be used to compensate these errors.
{| cellspacing="1" cellpadding="1" width="150" border="1" align="center"
| [[Image:RTC diagram.png|800px|Block diagram from IGEP0033]]<br>
|}
= Requirements =
