User's Manual

5
4
GND
Ground
5
SX1261_DIO2
IO
No connection by default
Reserved for future
applications
6
GPIO(6)
IO
No connection by default
Connect to the SX1302's
GPIO(6)
7
SX1261_NSS
DI
No connection by default
Reserved for future
applications
8
NC
No connection
9
GND
Ground
10
NC
No connection
11
SX1261_NRESET
DI
No connection by default
Reserved for future
applications
12
NC
No connection
13
MCU_NRESET
DI
RESET signal for MCU of
UP100-US915U
Active low
14
NC
No connection
15
GND
Ground
16
NC
No connection
17
NC
No connection
18
GND
Ground
19
PPS
DO
Time pulse output
Leave open if not in use
20
NC
No connection
21
GND
Ground
22
SX1303_RESET
DI
SX1303_RESET
Active high, ≥100ns for
SX1302 reset
23
RESET_GPS
DI
GSP module ZOE-M8Q
reset input
Active low, leave open if
not in use
24
3V3
PI
3.3V DC supply
25
STANDBY_GPS
DI
GPS module ZOE-M8Q
external interrupt input
Active low, leave open if
not in use
26
GND
Ground
27
GND
Ground
28
GPIO(8)
Connect to the SX1303's
GPIO(8)
29
GND
Ground
30
I2C_CLK
IO
HOST CLK
Connect to GPS module
ZOE-M8Q's SCL
internally, leave open if
not in use
31
UART_TX
DI
HOST UART_TX
Connect to GPS module
ZOE-M8Q's UART_RX
internally, leave open if
not in use
32
I2C_DATA
IO
HOST DATA
Connect to GPS module
ZOE-M8Q's SDA
internally, leave open if
not in use
33
UART_RX
DO
HOST UART_RX
Connect to GPS module