STMicroelectronics P-NUCLEO-LRWAN2, Руководство пользователя

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1.2 Gateway hardware overview
The P-NUCLEO-LRWAN2 LoRaWAN
®
gateway shown in Section 1.2 has the following key features:
Gateway main board
• NUCLEO-F746ZG development board (from STMicroelectronics)
– STM32F746ZGT6 Arm
®
Cortex
®
-M7 high-performance MCU at 216 MHz with 1-Mbyte Flash memory
and 320-Kbyte SRAM
– 3 user LEDs
– 1 user and 1 reset push-buttons
– Ethernet compliant with IEEE-802.3-2002
– USB OTG Full Speed or device only
– 32.768 kHz crystal oscillator
– On-board ST-LINK/V2-1 debugger/programmer with USB re-enumeration capability: mass storage,
Virtual COM port, and debug port
– Board connectors
◦
Micro-AB USB connector for the ST-LINK
◦ ST Zio expansion connector including ARDUINO
®
Uno V3
◦ ST morpho extension pin headers for full access to all STM32 I/Os
◦ USB with Micro-AB
◦ Ethernet RJ45
Gateway expansion board
• LRWAN_GS_HF1 LoRa
®
HF band (868/915/923 MHz) gateway expansion board (from RisingHF)
– SX1301/SX1257 HF baseband data concentrator and transceiver
◦
Automatically adaptive to spreading factor from SF12 to SF7 in each of 8 channels
◦ High sensitivity down to -140 dBm at 300 bit/s
◦ 6 dBm output power
◦ Support LoRaWAN
®
protocol Class A and Class C
◦ Support Semtech packet forwarder
◦ Support DNS and NTP
UM2587
Gateway hardware overview
UM2587 - Rev 3
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