UM1539 datasheet(36/46 Pages) STMICROELECTRONICS

Part #	UM1539

Description	STEVAL-IFS017V1 multi device temperature sensor and RTC demo

PDF	46 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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36 / 46 page

System overview

UM1539

36/46

Doc ID 023106 Rev 1

System overview

This demo is a generic system for evaluating the family of temperature sensors and RTC

from ST. This demo has 2 main blocks:

STM32F102xx microcontroller based motherboard.

Temperature sensors and RTC based daughter cards.

2.1

Hardware design description

Figure 22.

Block diagram

●

JP: jumper for selecting one VCC (daughter card supply) out of 2.3 V/ 2.7 V/ 3.0 V/

3.3 V/ 3/6 V

●

S/W: reset switch

●

A0;A1;A2: address selection switches for temp sensors.

2.1.1

STEVAL-IFS017V1-STM32F102xx based motherboard

The main components present on the motherboard are:

STM32F102C6T6 microcontroller.

LD39080DT33-R voltage regulator.

LD39080PT-R adjustable voltage regulator.

SPDT switches for address configuration of temperature sensors.

Connectors for mounting the daughter cards.

UM1539 Datasheet(PDF) 36 Page - STMicroelectronics