Ublox SARA-G340 ATEX - Reserved Pins (RSVD)

SARA-G3 and SARA-U2 series - System Integration Manual
UBX-13000995 - R26 System description
Page 80 of 217
Pin
Module
Name
Description
Remarks
23
SARA-G340
SARA-G350
SARA-U2 series
GPIO2
GPIO
By default, the pin is configured to provide GNSS Supply Enable function.
Can be alternatively configured by the +UGPIOC command as
 Input / Output
 Network Status Indication
 Jamming indication
35
 Pin disabled
24
SARA-G340
SARA-G350
SARA-U2 series
GPIO3
GPIO
By default, the pin is configured to provide GNSS Data Ready function.
Can be alternatively configured by the +UGPIOC command as
 Input / Output
 Network Status Indication
 GNSS Supply Enable
 Jamming indication
35
 Last gasp
36
 Pin disabled
25
SARA-G340
SARA-G350
SARA-U2 series
GPIO4
GPIO
By default, the pin is configured to provide GNSS RTC sharing function.
Can be alternatively configured by the +UGPIOC command as
 Input / Output
 Network Status Indication
 GNSS Supply Enable
 Jamming indication
35
 Pin disabled
42
SARA-G340
SARA-G350
SIM_DET
SIM detection
By default, the pin is configured to provide SIM card detection function.
The pin cannot be alternatively configured by the +UGPIOC command.
SARA-U2 series
SIM_DET
GPIO
By default, the pin is configured to provide SIM card detection function.
Can be alternatively configured by the +UGPIOC command as
 Input / Output
 Network Status Indication
 GNSS Supply Enable
 Module Operating Mode Indication
 Pin disabled
34
SARA-U2 series
I2S_WA
GPIO
By default, the pin is configured to provide I
2
S word alignment function.
Can be alternatively configured by the +UGPIOC command as
 Input / Output
 Pin disabled
35
SARA-U2 series
I2S_TXD
GPIO
By default, the pin is configured to provide I
2
S data output function.
Can be alternatively configured by the +UGPIOC command as
 Input / Output
 Pin disabled
36
SARA-U2 series
I2S_CLK
GPIO
By default, the pin is configured to provide I
2
S clock function.
Can be alternatively configured by the +UGPIOC command as
 Input / Output
 Pin disabled
37
SARA-U2 series
I2S_RXD
GPIO
By default, the pin is configured to provide I
2
S data input function.
Can be alternatively configured by the +UGPIOC command as
 Input / Output
 Pin disabled
Table 15: GPIO pins configurations
1.12 Reserved pins (RSVD)
SARA-G3 and SARA-U2 series modules have pins reserved for future use: they can all be left unconnected on the
application board, except the RSVD pin number 33 that must be externally connected to ground.
35
Not supported by SARA-U2 modules and not supported by SARA-G3 module product versions “00” and “01”.
36
Not supported by SARA-G3 modules and not supported by SARA-U2 module product versions “00”, “03”, “53”, “63”, “73”