Datasheet

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

C LED: This is a green LED (D4) which blinks whenever there is an I

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.

3. RQ2 LED: This is a red LED (D1) which glows in accordance to the signal status on the

#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.

5. Power LED: This is a red LED (D3) which glows as soon as the USB cable is plugged

in.

AM12175v1

Display the

saved file

Save plot

window

Save plotter

data in .xls

Plotter toolbar