STMicroelectronics Multiple-device temperature sensor and RTC demonstration board based on the STM32 STEVAL-IFS017V1 STEVAL-IFS017V1 Fiche De Données
Codes de produits
STEVAL-IFS017V1
UM1539
Getting started
Doc ID 023106 Rev 1
33/46
1.2.45 M41T83_SOX18
RTC FT bit configuration
The FT bit is a checkbox; if none of RTC interrupt functions (Alarm/WDG/SQW) are
selected, then checking this box selects the frequency test function of RTC and it is
displayed as a glow on D6 LED. Resetting the bit switches off the frequency test function.
selected, then checking this box selects the frequency test function of RTC and it is
displayed as a glow on D6 LED. Resetting the bit switches off the frequency test function.
1.2.46
M41T83_SOX18 RTC square wave configuration
M41T83_SOX18 RTC has a square wave output option.
1.
Select the square wave output frequency from the output frequency dropdown menu.
2.
Check the enable square wave output checkbox to enable the square wave function.
3.
D5 LED blinks on the motherboard to show the status of square wave output of RTC.
1.2.47 Plotter
window
The GUI supports the plotting of the temperature value against time for each sensor.
The steps to be followed to plot the graph are as follows:
1.
Select the temperature sensor and check the address.
2.
. This opens
3.
Select for the desired frequency (200 millisecond/500milisecond/1 second /10 second)
from the “Time Interval” dropdown menu. This frequency denotes the timing interval
after which the next reading is taken and plotted on the graph.
from the “Time Interval” dropdown menu. This frequency denotes the timing interval
after which the next reading is taken and plotted on the graph.
4.
Click on the plotter Start button in the toolbar. It opens the plotter and starts plotting the
graph, as shown in
graph, as shown in
5.
To stop the plotting, click on the Stop button placed in the toolbar, shown in
6.
Use the toolbar present in the graph window to expand or compress the scale on the
graph.
graph.
7.
To store the image of the graph on computer, click on the Save Plot window icon in the
toolbar of the plotter window. It stores the graph as .tsg format. Refer to
toolbar of the plotter window. It stores the graph as .tsg format. Refer to
8.
To store the graph data as text format in an Excel
®
sheet, click on the Excel sheet icon
in the toolbar. It saves the temperature readings in Excel format.
9.
In order to see the previously stored graphs, click on the Display The Saved File icon in
the toolbar and open the .tsg file to see the previously stored graph. Refer to
the toolbar and open the .tsg file to see the previously stored graph. Refer to
.