Pin name
Pin description
PE13-MISO
MISO of SPI for SX1301
PE12-SCK
SCK of SPI for SX1301
PE14-MOSI
MOSI of SPI for SX1301
PE15-RST
Reset for SX1301
PD15-Band Set1
ST Nucleo LoRa GW HF
•
PE9=0, PD15=1: Band EU868
•
PE9=1, PD15=0: Band US915/AS915/AU915
PE9-Band Set2
PA5-SCK (optional)
Backup SCK of SPI for SX1301
(no connection on board in default)
PA6-MISO (optional)
Backup MISO of SPI for SX1301
(no connection on board in default)
PA7/PB5-MOSI (optional)
Backup MOSI of SPI for SX1301
(no connection on board in default)
PD14-CSN (optional)
Backup CSN of SPI for SX1301
(no connection on board in default)
presents the architecture of the LRWAN_GS_HF1 gateway expansion board.
Figure 7.
Hardware architectures of the P-NUCLEO-LRWAN2 gateway expansion board
Baseband
SX1301
Transceiver
SX1257
Transceiver
SX1257
LNA
Balun
LTCC LPF
SW
SAW
868 MHz
SAW
915 MHz
SW
SW
Emission
Legend:
Reception
HF specific
UM2587
Gateway hardware overview
UM2587
-
Rev 3
page 9/55