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Function
Pin Name
Module
32K_OUT
SARA-G300
SARA-G310
Antenna
ANT
All
ANT_DET
SARA-G350
SIM
VSIM
All
SIM_IO
All
SIM_CLK
All
SIM_RST
All
SIM_DET
All
UBX-13000995 - R06
SARA-G3 series - System Integration Manual
Pin No
I/O
Description
24
O
32 kHz output
56
I/O
RF input/output
for antenna
62
I
Input for antenna
detection
41
O
SIM supply
output
39
I/O
SIM data
38
O
SIM clock
40
O
SIM reset
42
I
SIM detection
Objective Specification
Remarks
32 kHz output suitable only to feed the EXT32K
input giving the RTC reference clock, allowing
low power idle-mode and RTC functions support.
See section
1.6.51.6.5
for functional description.
See section
2.2.32.2.3
for external circuit
design-in.
50 nominal characteristic impedance.
Antenna circuit affects the RF performance and
compliance of the device integrating the module
with applicable required certification schemes.
See section 1.7 for functional description and
requirements for the antenna RF interface.
See section
2.32.3
for external circuit design-in.
ADC input for antenna detection function.
See section 1.7.2 for functional description.
See section 2.3.2 for external circuit design-in.
VSIM = 1.80 V typ. or 2.85 V typ.
automatically generated according to the connected
SIM type.
See section
1.81.8
for functional description.
See section
2.42.4
for external circuit design-in.
Data input/output for 1.8 V / 3 V SIM
Internal 4.7 k pull-up to VSIM.
See section
1.81.8
for functional description.
See section
2.42.4
for external circuit design-in.
3.25 MHz clock output for 1.8 V / 3 V SIM
See section
1.81.8
for functional description.
See section
2.42.4
for external circuit design-in.
Reset output for 1.8 V / 3 V SIM
See section
1.81.8
for functional description.
See section
2.42.4
for external circuit design-in.
1.8 V input for SIM presence detection function.
See section 1.8.2 for functional description.
See section 2.4 for external circuit design-in.
System description
Page 18 of 218
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