STMicroelectronics Multiple-device temperature sensor and RTC demonstration board based on the STM32 STEVAL-IFS017V1 STEVAL-IFS017V1 Data Sheet
Product codes
STEVAL-IFS017V1
UM1539
Getting started
Doc ID 023106 Rev 1
35/46
Figure 21.
Tool bar of plotter window
1.2.48 Application
LEDs
There are 4 application specific LEDs on the board:
1.
I
2
C LED: This is a green LED (D4) which blinks whenever there is an I
2
C
communication occurring in the application.
2.
RQ1 LED: This is a green LED (D6) which glows in accordance to the signal status on
the #IRQ1 pin of M41T83 RTC.
the #IRQ1 pin of M41T83 RTC.
3.
RQ2 LED: This is a red LED (D1) which glows in accordance to the signal status on the
#IRQ2 pin of M41T83 RTC.
#IRQ2 pin of M41T83 RTC.
4.
Alarm/EVENT LED: This is a red LED (D5) which glows in accordance with the ALARM
output signal of temperature sensors or for the SQW output option of M41T83 RTC.
output signal of temperature sensors or for the SQW output option of M41T83 RTC.
5.
Power LED: This is a red LED (D3) which glows as soon as the USB cable is plugged
in.
in.
AM12175v1
Display the
saved file
saved file
Save plot
window
window
Save plotter
data in .xls
data in .xls
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