User's Manual

SARA-G3 and SARA-U2 series - System Integration Manual
UBX-13000995 - R18 Advance Information System description
Page 75 of 206
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
x Input / Output
x Network Status Indication
x Jamming indication
29
x
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
x Input / Output
x Network Status Indication
x GNSS Supply Enable
x Jamming indication
29
x
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
x Input / Output
x Network Status Indication
x GNSS Supply Enable
x Jamming indication
29
x
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
x Input / Output
x Network Status Indication
x GNSS Supply Enable
x Module Operating Mode Indication
x
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
x Input / Output
x
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
x Input / Output
x
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
x Input / Output
x
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
x Input / Output
x
Pin disabled
Table 14: 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.
29
Not supported by SARA-U2 modules and not supported by SARA-G3 modules product versions “00” and “01”.