LARA-R2 series - System Integration Manual
UBX-16010573 - R12
System description
Page 52 of 157
1.9.3
HSIC interface
The HSIC interface is not supported by the “02” and “62” product versions except for diagnostic purposes.
1.9.3.1
HSIC features
LARA-R2 series modules include a USB High-Speed Inter-Chip compliant interface with a maximum 480 Mb/s data
rate according to the
High-Speed Inter-Chip USB Electrical Specification Version 1.0
[10] and the
USB Specification
Revision 2.0
[9]. The module itself acts as a device and can be connected to any compatible host.
The HSIC interface provides:
AT command mode
16
Data mode and Online command mode
FW upgrades by means of the FOAT feature (see 1.14.14 and the
Firmware update application note
FW upgrades by means of the u-blox EasyFlash tool (see the
Firmware update application note
Trace log capture (diagnostic purpose)
The HSIC interface consists of a bi-directional DDR data line (
HSIC_DATA
) for transmitting and receiving data
synchronously with the bi-directional strobe line (
HSIC_STRB
).
The modules also include the
HOST_SELECT
pin to select the module / host application processor configuration:
the pin is available to select, enable, connect, disconnect and subsequently re-connect the HSIC interface.
The USB interface is controlled and operated with:
AT commands according to
3GPP TS 27.007
3GPP TS 27.005
u-blox AT commands (for the complete list and syntax, see the
u-blox AT Commands Manual
16
See the
u-blox AT Commands Manual
[2] for the definition of the command mode, data mode, and online command mode.