User's Manual

SARA-G3 and SARA-U2 series - System Integration Manual
UBX-13000995 - R18 Advance Information System description
Page 41 of 206
1.9 Serial interfaces
SARA-G3 and SARA-U2 series modules provide the following serial communication interfaces:
x UART interface: 9-wire unbalanced 1.8 V asynchronous serial interface supporting (see 1.9.1)
o AT command mode
13
o Data mode and Online command mode
13
o MUX functionality, including dedicated GNSS tunneling
14
and SIM Access Profile
15
virtual channels
o FW upgrades by means of the FOAT feature
o FW upgrades by means of the u-blox EasyFlash tool
16
o Trace log capture (diagnostic purpose)
16
x Auxiliary UART interface
17
: 3-wire unbalanced 1.8 V asynchronous serial interface supporting (see 1.9.2)
o AT command mode
18
o GNSS tunneling
18
o FW upgrades by means of the u-blox EasyFlash tool
o Trace log capture (diagnostic purpose)
x USB interface
19
: High-Speed USB 2.0 compliant interface supporting (see 1.9.3)
o AT command mode
o Data mode and Online command mode
13
o GNSS tunneling and SIM Access Profile virtual channels
o Ethernet-over-USB
20
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 purpose)
x DDC interface
21
: 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
22
13
See the u-blox AT Commands Manual [3] for the definition of the command mode, data mode, and online command mode.
14
SARA-G300 and SARA-G310 modules do not support GNSS tunneling.
15
SARA-G3 modules do not support SIM Access Profile.
16
SARA-G3 modules do not support FW upgrades using the u-blox EasyFlash tool and trace log capture over the UART.
17
SARA-U2 modules do not provide Auxiliary UART interface.
18
SARA-G3 modules product versions “00” and “01” do not support AT command mode and GNSS tunneling over the Auxiliary UART.
19
SARA-G3 modules do not provide USB interface.
20
SARA-U2 modules product versions “00”do not support Ethernet-over-USB.
21
SARA-G300 and SARA-G310 modules do not support DDC I
2
C-bus compatible interface.
22
SARA-G3 modules do not support communication with external I
2
C devices other than u-blox GNSS positioning chips / modules.