SARA-N2 series - System Integration Manual
UBX-17005143 - R06
System description
Page 8 of 82
1.3
Pin-out
lists the pin-out of the SARA-N2 series modules, with pins grouped by function.
Function Pin Name Pin No
I/O Description
Remarks
Power
VCC
51, 52, 53
I
Module
supply
input
All VCC pins must be connected to external supply.
VCC supply circuit affects the RF performance and
compliance of the device integrating the module with
applicable required certification schemes.
See section
for description and requirements.
See section
for external circuit design-in.
GND
1, 3, 5, 14, 20-22,
30, 32, 43, 50, 54,
55, 57-61, 63-96
N/A Ground
GND pins are internally connected to each other.
External ground connection affects the RF and thermal
performance of the device.
V_INT
4
O
Generic
Digital
Interfaces supply
output
V_INT = 1.8 V (typical) supply output, generated by
internal linear LDO regulator when the radio is on.
Provide a test point on this pin for diagnostic purpose.
See section
for functional description.
See section
for external circuit design-in.
System
RESET_N 18
I
External
reset
input
Internal 78 k
pull-up to VCC.
Provide a test point on this pin for diagnostic purpose.
See section
for functional description.
See section
for external circuit design-in.
Antenna ANT
56
I/O RF
input/output
for antenna
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
for description and requirements.
See section
for external circuit design-in.
ANT_DET 62
I
Input for antenna
detection
ANT_DET not supported by "02" product versions.
ADC input for antenna detection function.
See section
for functional description.
See section
for external circuit design-in.
SIM
VSIM
41
O
SIM supply output VSIM = 1.80 V (typical).
See section
for functional description.
See section
for external circuit design-in.
SIM_IO
39
I/O SIM data
Internal 4.7 k
pull-up to VSIM.
See section
for functional description.
See section
for external circuit design-in.
SIM_CLK 38
O
SIM clock
Clock for external SIM, operating at VSIM voltage level.
See section
for functional description.
See section
for external circuit design-in.
SIM_RST 40
O
SIM reset
Reset for external SIM, operating at VSIM voltage level.
See section
for functional description.
See section
for external circuit design-in.