Pin No.
|
Pin Item |
Pin Direction |
Pin Application |
1
|
GND
|
-
|
Ground
|
2
|
GND
|
-
|
Ground
|
3
|
GND
|
-
|
Ground
|
4
|
GND
|
-
|
Ground
|
5
|
GND
|
-
|
Ground
|
6
|
RXEN
|
Input
|
RF switch RX control,connecting external MCU IO, valid in high level
|
7
|
TXEN
|
Input
|
RF switch TX control,connecting external MCU IO or DIO2, valid in high level
|
8
|
DIO2
|
Input/Output
|
Configurable IO port(see more SX1262,Sx1268 datasheet)
|
9
|
VCC
|
-
|
Power supply, 2.5V~5.5V(external ceramic filter capacitoris recommended)
|
10
|
GND
|
-
|
Ground
|
11
|
GND
|
-
|
Ground
|
12
|
GND
|
-
|
Ground
|
13
|
DIO1
|
Input/Output
|
Configurable IO port(see more in SX1262,Sx1268 datasheet)
|
14
|
BUSY
|
Output
|
State indicator(see more in SX1262,Sx1268 datasheet)
|
15
|
NRST
|
Input
|
Chip reset initiation, valid in low level
|
16
|
MISO
|
Output
|
SPI master input slave output
|
17
|
MOSI
|
Input
|
SPI master output slave input
|
18
|
SCK
|
Input
|
SPI clock
|
19
|
NSS
|
Input
|
Chip select,for starting a SPI communication
|
20
|
GND
|
-
|
Ground
|
21
|
ANT
|
-
|
Stamp hole(50 ohm impedance)
|
22
|
GND
|
-
|
Ground
|