Ublox SARA-G300, System Integration Manual

Page: 80 / 217

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”