User's Manual

SARA-R4 series - System Integration Manual
UBX-16029218 - R03 Appendix
Page 86 of 94
Figure 31 summarizes the interfaces provided by SARA-G3 and SARA-R4 series modules.
Modules
Power
Antenna
System
SIM
Serial
Audio
Other
Module supply input
RTC supply I/O
1.8 V supply Output
Antenna RF I/O
Rx diversity input
Antenna detection
Power-on input
Reset input
32 kHz input
32 kHz output
1.8 V / 3.0 V SIM
SIM detection
1.8 V UART
1.8 V UART AUX
1.8 V SPI
USB 2.0
1.8 V DDC
Analog audio I/O
1.8 V digital audio
13/26 MHz output
1.8 V GPIOs
Network indication
GNSS supply enable
GNSS Tx data ready
GNSS RTC sharing
SARA-G300/G310 series
•
•
•
•
•
•
•
•
•
•
•
•
SARA-G340/G350 series
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
SARA-R4 series
•
•
•
•
•
•
•
•
•
•
F
F
•
•
F
F
F
F = supported by future product versions
Table 30: Summary of SARA-R4 and SARA-G3 series modules interfaces