8
RAK2245 Pi HAT
8
RAK2245 Pi HAT User Manual V1.2
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
2.5
Power Supply
RAK
2245
Pi HAT module is powered through 5V or 3.3V power pins.
2.6
SPI Interface
The pin connector provides an SPI connection which allows direct access to the
Sx1301 SPI interface. This gives the target system the possibility to use existing SPI
interfaces to communicate with the module.
Note:
Please reset SX1301 via PIN 11 after turning on RAK2245 Pi HAT.
