ST X-NUCLEO-S2868A1 User Manual Download Page 1

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

Getting started with the X-NUCLEO-S2868A1 Sub-1 GHz 868 MHz RF expansion 

board based on S2-LP radio for STM32 Nucleo

UM2405 

User manual

UM2405

 - 

Rev 1

 - 

May 2018

For further information contact your local STMicroelectronics sales office.

www.st.com

Summary of Contents for X-NUCLEO-S2868A1

Page 1: ...ces 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 Getting sta...

Page 2: ...ad only memory GHz Giga Hertz GUI Graphical user interface LED Light emitting diode MCU Microcontroller unit P2P Point to point communication RF Radio frequency communication SPI Serial peripheral int...

Page 3: ...UNO R3 connectors Support to SMD and SMA antennas BALF SPI2 01D3 IPD balun for matching network and harmonics filter Sigfox compatible Sample firmware for P2P communication 6LoWPAN compatible thanks...

Page 4: ...ware Approximately 15 MB of hard disk space for the wM Bus GUI The use of the wM Bus concentrator with the GUI requires additional boards to be connected to the PC The GUI can be used to check the wM...

Page 5: ...ict occurs when using other expansion board refer to next section Table 3 X NUCLEO S2868A1 and NUCLEO L152RE connection details right connector Signal name D15 D14 AREF GND D13 D12 D11 D10 D9 D8 D7 D6...

Page 6: ...8 PB10 To use the optional connection mount R19 unmount R10 To use the optional connections modify the firmware on the basis of the STM32 resources used 3 3 Current measurement To monitor the X NUCLEO...

Page 7: ...ard SPI EEPROM mount R22 resistor on the board 4 2 S2 LP radio The X NUCLEO S2868A1 expansion board is based on the S2 LP standalone RF transceiver It operates in the 868 MHz ISM frequency band and wi...

Page 8: ...esidential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio c...

Page 9: ...id the user s authority to operate the equipment Conformit Innovation Sciences et D veloppement conomique Canada Cet appareil est conforme aux normes RSS d Innovation Science et D veloppement conomiqu...

Page 10: ...88D 9 1 C12 1 F 16 V 10 SMD 0603 SMPS OUT filter cap Murata EMK107BJ105KA T 10 1 C13 10 pF 16 V 10 SMD 0603 Murata GCM1885C1H100JA16D 11 1 C14 12 pF 16 V 5 SMD 0603 Murata GRM1885C1H120JA01J 12 2 C16...

Page 11: ...1X 30 1 R24 10R 1 16W 0 01 SMD 0402 Resistor Yageo RC0402FR 0710RL 31 2 R33 R37 0R 1 16W 0 01 SMD 0402 Resistors Tyco Electronics CRG0402ZR 32 3 R35 R36 R38 2 2K 1 16W 0 01 SMD 0402 Resistors Yageo RC...

Page 12: ...0 00 0p p_ _0 04 40 02 2 R R2 2 C C_ _1 10 00 0n n_ _0 04 40 02 2 L L_ _1 10 0U U_ _0 08 80 05 5 1 10 00 0p pF F 1 4 V t o 1 8 V m ax SDO 15 U U1 1 C C4 41 1 SDA C CR RY YS ST TA AL L_ _N NX X1 16 61...

Page 13: ...A15 PD8 PB7 PC14 PC6 PC8 PC2 PC3 CN10 1 13 15 17 19 21 23 25 27 29 31 33 35 37 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 CN7 13 15 17 19 21 23 25 31 33 PH0 PF0 PD0 29 35 PH1 PF1 PD1 10 12 14 16 18...

Page 14: ...Revision history Table 7 Document revision history Date Revision Changes 11 May 2018 1 Initial release UM2405 UM2405 Rev 1 page 15 19...

Page 15: ...options 5 3 3 Current measurement 6 3 4 X NUCLEO S2868A1 component placement details 6 4 X NUCLEO S2868A1 on board device description 8 4 1 SPI EEPROM 8 4 2 S2 LP radio 8 5 Formal notices required by...

Page 16: ...ft connector 5 Table 3 X NUCLEO S2868A1 and NUCLEO L152RE connection details right connector 5 Table 4 S2 LP interface optional with STM32 Nucleo board 6 Table 5 S2 LP details 8 Table 6 X NUCLEO S2868...

Page 17: ...an STM32 Nucleo development board 4 Figure 3 X NUCLEO S2868A1 on board device placement 7 Figure 4 X NUCLEO S2868A1 circuit schematic 13 Figure 5 X NUCLEO S2868A1 circuit schematic Arduino connectors...

Page 18: ...the choice selection and use of ST products and ST assumes no liability for application assistance or the design of Purchasers products No license express or implied to any intellectual property righ...

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