ST ST72F651, User Manual, Page: 21 / 30

UM0452 USB power/GUI mode of evaluation board
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4.4.3 RTC SYNC
1. There is a Sync button used to synchronize the RTC CLOCK with the system time.
Press the Sync button to match the two clocks. The status of the RTC window is shown
in
Figure 15 .
Figure 15. RTC window
4.5 Plotter mode
There is plotter icon in the toolbar. Click on this icon to open the plotter application on GUI.
This plotter can be used to plot the temperature variation with respect to time in real time
(Dynamic Mode) or the temperature data can be stored in NAND Flash on the board and
then can be plotted at a later time (NAND Mode).