User's Manual

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7
Lora1276 V2.0 Pin Assignment
Lora1276 V1.1 Pin Assignment
Pin NO.
Pin
name
Description
Pin NO.
Pin
name
Description
1
GND
power ground
1
GND
power ground
2
NC
Vacant
2
TXEN
Antenna switch control,
Tx: Txen =1, Rxen =0;
Rx: Txen = 0, Rxen = 1;
Sleep : Txen = Rxen = 0
3
NC
Vacant
3
RXEN
4
SCK
Serial clock for SPI
interface
4
SCK
Serial clock for SPI interface
5
MISO
SPI Output for SPI
data
5
MISO
SPI Output for SPI data
6
MOSI
SPI Input for SPI data
6
MOSI
SPI Input for SPI data
7
NSS
SPI enable
7
NSS
SPI enable
8
DIO2
Digital I/O
8
DIO2
Digital I/O
9
DIO1
Digital I/O
9
DIO1
Digital I/O
10
DIO0
Digital I/O
10
DIO0
Digital I/O
11
VCC
Connected power
supply（default3.3V）
11
VCC
Connected power supply
（default3.3V）
12
NRESET
Reset input
12
NRESET
Reset input
13
ANT
Connect with 50 ohm
coaxial antenna
13
ANT
Connect with 50 ohm coaxial
antenna
14
GND
power ground
14
GND
power ground