SARA-G3 and SARA-U2 series - System Integration Manual
UBX-13000995 - R26
System description
Page 45 of 217
1.9
Serial interfaces
SARA-G3 and SARA-U2 series modules provide the following serial communication interfaces:
UART interface: 9-wire unbalanced 1.8 V asynchronous serial interface supporting (see 1.9.1)
o
AT command mode
17
o
Data mode and Online command mode
o
MUX functionality, including dedicated GNSS tunneling
18
and SIM Access Profile
19
virtual channels
o
FW upgrades by means of the FOAT feature
o
FW upgrades by means of the u-blox EasyFlash tool
20
o
Trace log capture (diagnostic purposes)
Auxiliary UART interface
21
: 3-wire unbalanced 1.8 V asynchronous serial interface supporting (see 1.9.2)
o
AT command mode
22
o
GNSS tunneling
23
o
FW upgrades by means of the u-blox EasyFlash tool
24
o
Trace log capture (diagnostic purposes)
USB interface
25
: High-Speed USB 2.0 compliant interface supporting (see 1.9.3)
o
AT command mode
o
Data mode and Online command mode
o
GNSS tunneling and SIM Access Profile virtual channels
o
Ethernet-over-USB
26
virtual channel
o
FW upgrades by means of the FOAT feature
o
FW upgrades by means of the u-blox EasyFlash tool
o
Trace log capture (diagnostic purposes)
DDC interface
27
: I
2
C-bus compatible 1.8 V interface supporting (see 1.9.4)
o
Communication with u-blox GNSS positioning chips / modules
o
Communication with other external I
2
C devices as an audio codec
28
17
See the
u-blox AT Commands Manual
[3] for the definition of the command mode, data mode, and online command mode.
18
SARA-G300 and SARA-G310 modules do not support GNSS tunneling.
19
SARA-G3 modules do not support a SIM Access Profile.
20
SARA-G3 modules do not support FW upgrades using the u-blox EasyFlash tool and trace log capture over the UART.
21
SARA-U2 modules product versions “00”, “03”, “53”, “63”, “73” do not provide Auxiliary UART.
22
SARA-G3 modules product versions “00” and “01” do not support AT command mode over the Auxiliary UART.
23
SARA-G3 modules product versions “00” and “01”, and SARA-U2 modules do not support GNSS tunneling over the Auxiliary UART.
24
SARA-U2 modules do not support FW upgrades using the u-blox EasyFlash tool over the Auxiliary UART.
25
SARA-G3 modules do not provide a USB interface.
26
SARA-U2 modules product versions “00”do not support Ethernet-over-USB.
27
SARA-G300 and SARA-G310 modules do not support a DDC I
2
C-bus compatible interface.
28
SARA-G3 modules do not support communication with external I
2
C devices other than u-blox GNSS positioning chips / modules.
