X-NUCLEO-S2915A1

X-NUCLEO-S2915A1 Data brief Sub-1 GHz 915 MHz RF expansion board based on S2-LP radio for STM32 Nucleo Features Based on S2-LP radio S2-LP narrow band ultra-low power sub-1 GHz transceiver tuned for 860-940 MHz frequency band Programmable RF output power up to +27 dBm Modulation schemes: 2-FSK, 2-GFSK, 4-FSK, 4-GFSK, OOK and ASK Air data rate from 0.1 to 500 kbps Ultra-low power consumption: 7 mA RX and 10 mA TX at +10 dBm IEEE 802.15.4g hardware packet support with whitening, FEC, CRC and dual SYNC word detection RX and TX 128 byte FIFO buffers Support to wireless M-Bus Excellent performance of receiver sensitivity (up to -130 dBm) Automatic acknowledgement, retransmission and timeout protocol engine Compatible with STM32 Nucleo boards Compatible with Arduino UNO R3 connectors Sigfox compatible Sample firmware for P2P communication 6LoWPAN compatible thanks to STM32Cube FCC ID: S9NS2915A IC ID: 8976C-S2915A1 RoHS and WEEE compliant Product summary Sub-1 GHz 915 MHz RF expansion board based X-NUCLEO- Description on S2-LP radio for S2915A1 The X-NUCLEO-S2915A1 expansion board is based on the S2-LP radio and STM32 Nucleo operates in the 915 MHz ISM frequency band. Ultra-low power, high performance, sub-1 GHz S2-LP The expansion board is compatible with ST morpho and Arduino UNO R3 transceiver connectors. WM-BUS The X-NUCLEO-S2915A1 interfaces with the STM32 Nucleo microcontroller via SPI Applications connections and GPIO pins. You can change some of the GPIOs by mounting or Sigfox removing the resistors. DB4054 - Rev 1 - November 2019 www.st.com For further information contact your local STMicroelectronics sales office.X-NUCLEO-S2915A1 Schematic diagrams DB4054 - Rev 1 page 2/5 1 Schematic diagrams Figure 1. X-NUCLEO-S2915A1 circuit schematic VDD VDD VDD VDD +3V3 VDDSMPS VDDVCOTX VDDANASYNTH VDDRXDIG LNA ON: SW1 soldered a 100 pF cap between 1 - 2 CC22 CC33 CC77 CC44 CC66 CC1111 CC88 CC11 CC55 SW2 soldered a 100 pF cap between 1 - 3 CC 44..77UU 00440022 CC 222200nn 00440022 CC 110000pp 00440022 CC 222200nnFF 00440022 CC 110000pp 00440022 CC 222200nn 00440022 CC 110000pp 00440022 CC 222200nn 00440022 CC 110000pp 00440022 LNA OFF: SW1 soldered a 100 pF cap between 1 - 3 SW2 soldered a 100 pF cap between 1 - 2 RR22 RR11 RR 110000kk 004400 RR2200 VRSYNTH RR 110000kk 00440022 RR 1100oohhmm 00440022 UU11 CC3300 CC6622 CC 222200nn 00440022 CC 110000pp 00440022 nS 1 8 nS VCC VDD SDO 2 7 Q nHOLD CC5566 11nnFF CC1100 CC1133 SCLK 3 6 nW C CC99 CC 222200nn 00440022 CC 110000pp 00440022 4 5 SDI CC 110000nn 00440022 CC5577 CC5555 3333ppFF VSS D 44uu77FF LL2299 RR33 112200oohhmm MM9955664400 UU22 RR 110000kk 00440022 LL2288 CC3322 CC1122 CC5599 1100nnFF 66nn88HH CC 222200nn 00440022 CC 11uu 00440022 CC5588 112200ppFF VDDSMPS SCLK CC 11pp55 00440022 1 18 LL33 LL22 VDDSMPS SCLK VSMPS2 SDI CC4499 LL3300 2 17 SMPS1 SDI LL2277 1. 4 V t o 1. 8 V max 22nn77HH 00nn88HH LL 3399nnHH 00440022 LL 1100UU 00660033 CC4466 LL1133 3 16 SDO SMPS2 SDO CC5544 CC3388 OUT 4 15 VDDRXDIG XOUT VDDRXDIG LL 1188nnHH 00440022 1100ppFF NNPP LL2266 CC 110000pp 00440022 IN 5 14 77nn55HH XIN RXP LL1111 SDN CC4488 RX UU44 6 13 LL 2277nnHH 00440022 SDN RXN CC 11pp22 00440022 CC3377 22pp44FF CC4477 CC5500 1 12 TX GND RX JJ11 1 2 2 11 RX TX IN CC1177 SS22LLPP TX 3 3 10 TX ALT GND GPIO0 LL2244 44nn77HH LL2255 44nn77HH 4 9 CC 110000pp 00440022 CC 11pp55 00440022 SSWW11 CSD ANT LL1122 VDDANASYNTH LL 1188nnHH 00440022 110000ppFF SSMMAA AANNTTEENNNNAA CC1166 CC2233 11..55ppFF CC3311 CC3333 CC1188 EE11 VRSYNTH NNPP 22pp22FF NNPP CC2222 CC2244 SSKKYY6666442200 NNMM CC2255 CC 222200nn 00440022 CC 110000pp 00440022 CC6600 CC6611 AAMM1111DDGG--SSTT0011 CC4433 CC 447700pp 00440022 NNPP NNPP YY11 OUT CC 11pp55FF 00440022 SSWW22 3 2 CC5511 LL77 LL99 LL1100 2 CC3399 TX CC4422 LL 44nn77HH 00440022 LL 66nn88HH 00440022 LL 55nn66HH 00440022 CC 1122ppFF 00440022 1 IN CC3344 CC3355 CC4444 CC 110000pp 00440022 4 NNPP CC 33pp33FF 00440022 CC 55pp66FF 00440022 CC 22pp77FF 00440022 CC4400 CCRRYYSSTTAALL NNXX11661122SSAA 1122ppFF LL88 LL 1155nnHH 00440022 LL1144 44..77nnHH UU55 VSMPS2 RR4455 22..22KK +3V3 1 8 RESET NC CC3366 CC4411 2 7 SCL +3V3 VCC SCL CC 222200nn 00440022 CC 110000pp 00440022 3 6 NC NC CC5533 CC5522 SDA RR4444 4 5 GND SDA 1100uuFF//00880055 110000nnFF 22..22KK RR4433 SSTTSSAAFFEE--AA110000 22..22KK +3V3 +3V3 7 24 VDDANASYNTH VRDIG 8 23 GPIO3 VRSYNTH GPIO3 9 22 VREFVCO GPIO2 VDDVCOTX 10 21 VDDVCOTX GPIO1 11 20 TX GPIO0 12 19 CSN VRRF CSN 25 GND GPIO1 5 16 CPS VCC1 GPIO2 6 15 CTX VCC0 1 3 7 14 LNA IN NC 8 13 RX FLT PA OUT 17 GND