User's Manual

Smart Machine Smart Decision
6.5 Micro USB interface
T5320+G provides a Micro USB interface. This interface is compliant with the USB2.0 specification. The
USB2.0 specification requires hosts such as the computer to support full-speed (12Mbps) and high-speed
(480Mbps). USB charging and USB-OTG is not supported.
Figure 15: Micro USB interface
Table 13: AT+CUSBSPD Switch T5320+G USB high or full speed
Description
This command is used to switch the speed of USB between high speed and full speed. If you just want to use full
speed to simplify the circuit then you can use this command to switch the USB speed. This command will save your
configuration so if you don’t change the speed the module will use the latest configuration forever.
This command will only takes effect on the next start-up.
SIM PIN References
NO Vendor
Syntax
Test Command Responses
AT+CUSBSPD=? +CUSBSPD: (list of supported <speed>s)
OK
Read Command Responses
AT+CUSBSPD? +CUSBSPD: <speed>
OK
Write Command Responses
OK
AT+CUSBSPD=<speed>
ERROR
Defined values
<speed>
Integer type and nonvolatile value.
T5320+G_User Guide_V1.01
23 2013-04-15