UM1539 datasheet(30/46 Pages) STMICROELECTRONICS

30 / 46 page

Getting started

UM1539

30/46

Doc ID 023106 Rev 1

Figure 18.

GUI window for M41T83_SOX18 RTC

1.2.38

M41T83_SOX18 RTC date and time setting

Click on the RTC Selection icon in the toolbar of the GUI. The RTC selection Radio

button appears in the GUI, as shown in Figure 15.

Select RTC M41T83 and the RTC child window opens, as shown in Figure 18.

Press the Update button to enable the configuration of RTC. Pressing the Update

button enables the GUI window for RTC configuration. It also reads the RTC registers

from the onboard RTC and displays the same in the GUI.

After pressing the Update button, reset the HT bit to see the clock ticking on the display.

Configure the RTC date and time by clicking on the Set Time button in the GUI. It

programs the onboard RTC with the system date and time.

CB0, CB1, Stop bit, and OFIE bit are checkboxes to enable or disable the respective bit

in RTC. Checking the box and then pressing the Write button sets the bits and un-

checking them and clicking on the Write button resets the bits.

The Program button configures the RTC with the current settings visible in the GUI.

The RTC Reg button shows the RTC registers and the values present in those

registers.

The device time in the GUI also reads the milliseconds from RTC and displays them in

the GUI.

UM1539 Datasheet(PDF) 30 Page - STMicroelectronics