UM1539 datasheet(35/46 Pages) STMICROELECTRONICS

부품명	UM1539

상세설명	STEVAL-IFS017V1 multi device temperature sensor and RTC demo

PDF	46 Pages

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제조업체	STMICROELECTRONICS [STMicroelectronics]

홈페이지	http://www.st.com

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35 / 46 page

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:

I2C LED: This is a green LED (D4) which blinks whenever there is an I2C

communication occurring in the application.

RQ1 LED: This is a green LED (D6) which glows in accordance to the signal status on

the #IRQ1 pin of M41T83 RTC.

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

#IRQ2 pin of M41T83 RTC.

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.

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

in.

AM12175v1

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UM1539 데이터시트(PDF) 35 Page - STMicroelectronics