Ublox SARA-R42 User Manual

SARA-R4 series - System integration manual
UBX-16029218 - R20 System description Page 13 of 128
C1-Public
1.3 Pin-out
Table 3 lists the pin-out of the SARA-R4 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
VCC supply circuit affects the RF performance and
compliance of the device integrating the module with
applicable required certification schemes.
See section 1.5.1 for functional description / requirements.
See section 2.2.1 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 each other.
External ground connection affects the RF and thermal
performance of the device.
See section 1.5.1 for functional description.
See section 2.2.1 for external circuit design-in.
V_INT
4
O
Generic digital
interfaces supply
output
V_INT = 1.8 V (typical) generated by internal regulator when
the module is switched on, outside the low power PSM deep
sleep mode.
Test-Point for diagnostic / FW update strongly recommended.
See section 1.5.2 for functional description.
See section 2.2.2 for external circuit design-in.
System
PWR_ON
11
15
I
Power-on / -off
input
Internal 200 k pull-up resistor.
Test-Point for diagnostic / FW update strongly recommended.
See section 1.6.1 and 1.6.2 for functional description.
See section 2.3.1 for external circuit design-in.
PWR_CTRL
12
15
I
Power-on / -off /
Reset input
Internal pull-up resistor.
Test-Point for diagnostic / FW update strongly recommended.
See section 1.6.1, 1.6.2 and 1.6.3 for functional description.
See section 2.3.1 for external circuit design-in.
RESET_N
11
18
I
Reset input
Internal 37 k pull-up resistor.
Test-Point for diagnostic access is recommended.
See section 1.6.3 for functional description.
See section 2.3.2 for external circuit design-in.
Antenna
ANT
56
I/O
Cellular antenna
RF input/output
RF input/output for external Cellular antenna.
50  nominal characteristic impedance.
Antenna circuit affects the RF performance and application
device compliance with required certification schemes.
See section 1.7.1 for functional description / requirements.
See section 2.4 for external circuit design-in.
ANT_GNSS
13
31
I
GNSS antenna RF
input
RF input for external GNSS antenna.
50  nominal characteristic impedance.
See section 1.7.2 for functional description / requirements.
See section 2.4.3 for external circuit design-in.
ANT_DET
62
I
Antenna detection
ADC for antenna presence detection function
See section 1.7.3 for functional description.
See section 2.4.5 for external circuit design-in.
11
SARA-R410M, SARA-R412M modules only
12
SARA-R422, SARA-R422S, SARA-R422M8S modules only
13
SARA-R422M8S modules only

Ublox SARA-R42 Specifications

General

Brand	Ublox
Model	SARA-R42
Category	Control Unit
Language	English