UM1539 Datasheet, PDF (36/46 Pages) STMicroelectronics – STEVAL-IFS017V1 multi device temperature sensor and RTC demo

System overview
2
System overview
UM1539
This demo is a generic system for evaluating the family of temperature sensors and RTC
from ST. This demo has 2 main blocks:
1. STM32F102xx microcontroller based motherboard.
2. Temperature sensors and RTC based daughter cards.
2.1
Hardware design description
Figure 22. Block diagram
2.1.1
● 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.
STEVAL-IFS017V1-STM32F102xx based motherboard
The main components present on the motherboard are:
1. STM32F102C6T6 microcontroller.
2. LD39080DT33-R voltage regulator.
3. LD39080PT-R adjustable voltage regulator.
4. SPDT switches for address configuration of temperature sensors.
5. Connectors for mounting the daughter cards.
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Doc ID 023106 Rev 1