ST X-NUCLEO-S2868A1 User Manual
ST X-NUCLEO-S2868A1 User Manual

ST X-NUCLEO-S2868A1 User Manual

Getting started with the x-nucleo-s2868a1 sub-1 ghz 868 mhz rf expansion board based on s2-lp radio for stm32 nucleo

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UM2405

User manual

Getting started with the X-NUCLEO-S2868A1 Sub-1 GHz 868 MHz RF expansion
board based on S2-LP radio for STM32 Nucleo
Introduction
The
X-NUCLEO-S2868A1
expansion board is based on the
S2-LP
radio and operates in the 868 MHz ISM frequency band.
The expansion board is compatible with ST morpho and Arduino UNO R3 connectors.
The X-NUCLEO-S2868A1 interfaces with the
STM32 Nucleo
microcontroller via SPI connections and GPIO pins. You can
change some of the GPIOs by mounting or removing the resistors.
Figure 1.
X-NUCLEO-S2868A1 expansion board
UM2405 - Rev 1 - May 2018
www.st.com
For further information contact your local STMicroelectronics sales office.

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Summary of Contents for ST X-NUCLEO-S2868A1

  • Page 1: User Manual

    S2-LP radio and operates in the 868 MHz ISM frequency band. The expansion board is compatible with ST morpho and Arduino UNO R3 connectors. The X-NUCLEO-S2868A1 interfaces with the STM32 Nucleo microcontroller via SPI connections and GPIO pins. You can change some of the GPIOs by mounting or removing the resistors.
  • Page 2: Acronyms And Abbreviations

    UM2405 Acronyms and abbreviations Acronyms and abbreviations Table 1. List of acronyms Acronym Description Automatic meter reading EEPROM Electrically erasable programmable read only memory Giga Hertz Graphical user interface Light emitting diode Microcontroller unit Point-to-point communication Radio frequency communication Serial peripheral interface Universal serial bus wM-Bus Wireless metering bus...
  • Page 3: Getting Started

    Sample firmware for P2P communication • 6LoWPAN compatible thanks to STM32Cube • RoHS compliant The X-NUCLEO-S2868A1 expansion board can be used for the evaluation of the S2-LP device in multiple applications. The following demo samples are available for testing: •...
  • Page 4: Board Setup

    Figure 2. X-NUCLEO-S2868A1 expansion board connected to an STM32 Nucleo development board The interconnection between the STM32 Nucleo and the X-NUCLEO-S2868A1 has been designed to allow using any STM32 Nucleo board, although complete testing has been performed using NUCLEO-L053R8, NUCLEO-...
  • Page 5: Hardware Description And Configuration

    X-NUCLEO-S2868A1 expansion board and the NUCLEO-F401RE NUCLEO-L152RE board connection details are listed in the table below. Table 2. X-NUCLEO-S2868A1 and NUCLEO-L152RE connection details (left connector) Signal name IOREF RESET Connector name CN6 Power CN8 Analog Pin number NUCLEO-L152RE MCU port...
  • Page 6: Current Measurement

    To monitor the X-NUCLEO-S2868A1 expansion board power consumption, use jumper J1: connect an ammeter probe between the connector pins 1 and 2 for measurements. X-NUCLEO-S2868A1 component placement details The figure below shows the component placement on the X-NUCLEO-S2868A1 expansion board.
  • Page 7: X-Nucleo-S2868A1 On-Board Device Description

    UM2405 X-NUCLEO-S2868A1 on-board device description X-NUCLEO-S2868A1 on-board device description SPI EEPROM M95640-R is a 64 Kbit serial SPI bus EEPROM with high-speed clock interface. The device can be used to store the configuration parameters related to S2-LP RF device application or settings.
  • Page 8: Formal Notices Required By The U.s. Federal Communications Commission ("Fcc")

    UM2405 Formal notices required by the U.S. Federal Communications Commission ("FCC") Formal notices required by the U.S. Federal Communications Commission ("FCC") FCC NOTICE: This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
  • Page 9: Formal Product Notice Required By The Industry Canada ("Ic")

    UM2405 Formal product notice required by the Industry Canada ("IC") Formal product notice required by the Industry Canada ("IC") Innovation, Science and Economic Development Canada Compliance - This device complies with Innovation, Science and Economic Development RSS standards. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
  • Page 10: Bill Of Materials

    UM2405 Bill of materials Bill of materials Table 6. X-NUCLEO-S2868A1 bill of materials Item Q.ty Ref. Part/Value Description Manufacturer Order code CON10 550 VAC Connector 4UCON SSQ-110-03-F-S 2.54 mm pitch CON8 550 VAC CN6, CN9 Connectors 4UCON SSQ-108-03-F-S 2.54 mm pitch...
  • Page 11 UM2405 Bill of materials Item Q.ty Ref. Part/Value Description Manufacturer Order code 4.7 nH 220 mA Johanson Fixed inductor L-07C4N7SV6T SMD-0402 Technology Inc. 8.2 nH 550 mA Fixed inductor Murata LQG15HS8N2J02D SMD-0402 (not mounted) 27 nH 300 mA Fixed inductors L12, L13 TAIYO YUDEN HK100527NJ-T...
  • Page 12: Nucleo-S2868A1 Schematic Diagram

    S S T T S S A A F F E E - - A A 1 1 0 0 0 0 2 2 . . 2 2 K K +3V3 N N M M +3V3 Figure 5. X-NUCLEO-S2868A1 circuit schematic - Arduino connectors ARDUINO UNO R3 DX connector ARDUINO UNO R3 SX connector IOREF AVDD +3V3...
  • Page 13 UM2405 X-NUCLEO-S2868A1 schematic diagram Figure 6. X-NUCLEO-S2868A1 circuit schematic - morpho connectors ST morpho SX connector ST morpho DX connector CN10 PC10 PC11 PC12 BOOT0 AVDD NC/PF6 NC/PF7 IOREF PA12 PA13 RESET PA11 PA14 PB12 +3V3 PA15 PB11/NC PC13 PC14...
  • Page 14: Revision History

    UM2405 Revision history Table 7. Document revision history Date Revision Changes 11-May-2018 Initial release. UM2405 - Rev 1 page 15/19...
  • Page 15: Table Of Contents

    X-NUCLEO-S2868A1 component placement details ....... . . 6 X-NUCLEO-S2868A1 on-board device description ........8 SPI EEPROM .
  • Page 16 List of acronyms ..............2 Table 2. X-NUCLEO-S2868A1 and NUCLEO-L152RE connection details (left connector) ......5 Table 3.
  • Page 17 X-NUCLEO-S2868A1 circuit schematic - Arduino connectors ........
  • Page 18 ST’s terms and conditions of sale in place at the time of order acknowledgement. Purchasers are solely responsible for the choice, selection, and use of ST products and ST assumes no liability for application assistance or the design of Purchasers’...

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