V2.7 2017-09-28
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ST Nucleo LoRa GW User Guide
RisingHF
22
7.1.2 Power consumption
Table 7-1 below shows the current consumption of the Nucleo shield module in different mode. The
maximum current would be almost 360mA when both uplink and downlink are on.
Table 7-1 Power consumption of ST LoRa Nucleo GW Module
Band
Standby consumption
Current
@TX max OP
Consumption
@8 CH RX Only
RX/TX ON
Max Current
HF
39mA
175mA
330mA
364mA
For the consumption of the Nucleo F746ZG board, please refer to the manual from ST. The max
current of this board would be more than 200mA depend on the source code and peripheral interface
used.
7.2 LED status
On the GW shield (Blue board), there is only one LED to show power supply.
➢
5V_ON (Green): When there is external power 5V to the system from adapter, this
LED will be ON.
On the Nucleo F746ZG board (White board), there will be 3 LEDs will be used in the demo:
➢
LD3 (Red): ON -> ST LoRa GW board is detected, OFF -> ST LoRa GW board is removed
➢
LD2 (Blue): Blink when Packet is received
➢
LD1 (Green): Reserved
For others LEDs used on the Nucleo F746ZG board, please refer to the manual of the Nucleo board
from ST.