SARA-G3 and SARA-U2 series - System Integration Manual
UBX-13000995 - R26 System description
Page 21 of 217
SARA-G340
SARA-G350
SARA-U2
1.8 V data output for PCM / normal I
2
S modes.
Pin configurable also as GPIO on SARA-U2 series.
Access by external test-point is recommended.
See section 1.10.2 for functional description.
See section 2.7.2 for external circuit design-in.
SARA-G340
SARA-G350
SARA-U2
I
2
S word alignment /
GPIO
1.8 V word alignment for PCM / normal I
2
S modes
Pin configurable also as GPIO on SARA-U2 series.
Access by external test-point is recommended.
See section 1.10.2 for functional description.
See section 2.7.2 for external circuit design-in.
1.8 V master clock output for external audio codec
See section 1.10.2 for functional description.
See section 2.7.2 for external circuit design-in
SARA-G340
SARA-G350
SARA-U2
1.8 V GPIO by default configured as pin disabled.
See section 1.11 for functional description.
See section 2.8 for external circuit design-in.
SARA-G340
SARA-G350
SARA-U2
1.8 V GPIO by default configured to provide the
custom GNSS supply enable function.
See section 1.11 for functional description.
See section 2.8 for external circuit design-in.
SARA-G340
SARA-G350
SARA-U2
1.8 V GPIO by default configured to provide the
custom GNSS data ready function.
Access by external test-point is recommended.
See section 1.11 for functional description.
See section 2.8 for external circuit design-in.
SARA-G340
SARA-G350
SARA-U2
1.8 V GPIO by default configured to provide the
custom GNSS RTC sharing function.
See section 1.11 for functional description.
See section 2.8 for external circuit design-in.
This pin must be connected to ground.
See section 2.9
Leave unconnected.
See section 2.9
SARA-G340
SARA-G350
SARA-U2
Internally not connected. Leave unconnected.
See section 2.9
Pin disabled. Leave unconnected.
See section 2.9
SARA-G300
SARA-G310
SARA-U2
Leave unconnected.
See section 2.9
Leave unconnected.
See section 2.9
Table 3: SARA-G3 and SARA-U2 series modules pin definition, grouped by function