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==IntroductionReal-time clock options==
This article describes the options available for the real-time clock (RTC) implementation on SBC Lynx.
===i.MX6UL's native RTC (default option)===
The default option is based on i.MX6UL's native RTC. The simplified block diagram of this solution is depicted in the following image.
This solution is quite simple and cheap. However, the timekeeping operation time is relatively short. In case a longer timekeeping operation time is required, it is possible to not populate the on-board battery and to connect a bigger one to the connector J56. For more information, please contact [mailto:sales@dave.eu Sales department].
===ST M41T83 (alternative option)===
This option is based on [http://www.st.com/en/clocks-and-timers/m41t83.html ST M41T83] RTC. The simplified block diagram of this solution is shown by the following image.
