User's Manual

7
RAK2245 Pi HAT
7
RAK2245 Pi HAT User Manual V1.2
17
3.3V
3.3V Supply Voltage
18
NC
No Connection
Continuation:
Pin
Name
Description
Pin
Name
Description
19
SPI_M
OSI
It should be connected to
RASPBERRY PI’s SPI_
MOSI. This pin is
connected to SX1301’s
SPI_MOSI internally.
20
GND
GND
21
SPI_MI
SO
It should be connected to
RASPBERRY PI’s
SPI_MISO. This pin is
connected to SX1301’s
SPI_MISO internally.
22
NC
No Connection
23
SPI_CL
K
It should be connected to
RASPBERRY PI’s
SPI_SCLK. This pin is
connected to SX1301’s
SPI_CLK internally.
24
SPI_CS
It should be connected to
RASPBERRY PI’s
SPI_CE0. This pin is
connected to SX1301’s
SPI_CS internally.
25
GND
GND
26
NC
No Connection
27
ID_SD
I2C_SDA for HAT ID
EEPROM
28
ID_SC
I2C_SCL for HAT ID
EEPROM
29
NC
No Connection
30
GND
GND
31
NC
No Connection
32
NC
No Connection
33
RESET
_GPS
GPS Module reset PIN
(GPIO13 of Raspberry Pi)
34
GND
GND
35
STAND
BY_GP
S
GPS Module standby PIN
(GPIO19 of Raspberry Pi)
36
NC
No Connection
37
NC
No Connection
38
NC
No Connection
39
GND
GND
40
NC
No Connection
Table 2 | Pin Definitions
2.4
Power Supply
RAK2245 Pi HAT module is powered through 5V or 3.3V power pins.