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RF1276 LoRa module V3.0
- 3 - 2018-2-12
4.
Maximum specification
Symbol
Parameter
Min
Max
Units
VCC
Supply Voltage
4.5
5.5
V
TOT
Operation Temperature
-30
85
℃
HOH
Operation Humidity
10%
90%
TST
Storage Temperature
-55
125
°C
5.
Pin Out:
RF1276 module has 5 pins. Refers to the Table 1
:
RF1276
Pin NO.
Pin Name
Description
1
VCC
Power supply DC 4.5V-6.5V
2
GND
Grounding of Power Supply
3
RXD
Serial input, 485+/485A
4
TXD
Serial output, 485-/485B
5
AUX
Data in/out indication
Table 1: Pin definition
6.
Working mode
a.
Standard mode
Standard mode is also called transparent mode in which the module receives from or sends data to the host
through serial port (RS232 or RS485) at preset data format and users don’t need to care about the proce ss of
data inside the module. The AUX pin of RF1276 will give indication about the data IN/OUT of serial port
2ms in advance in order to wake up the host.