Smart Module Series
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4 Application Interfaces
4.1. USB Interfaces
The module provides 4 USB interfaces which complies with USB 3.0 and USB 2.0 specifications. USB 3.0
supports SuperSpeed mode and the data rate is up to 5 Gbps; USB 2.0 supports high-speed mode and
the data rate is up to 480 Mbps.
USB0 interface:
⚫ Supports USB 3.0 and USB 2.0 specifications
⚫ Supports USB OTG function
⚫ Supports Host mode and Device mode
⚫ Supports AT command communication, data transmission, software debugging, firmware upgrade
(only supports firmware upgrade through USB 2.0)
⚫ USB 3.0 SS channel can be multiplexed into SATA0* interface. For the multiplexing relationship, see
document [2]
USB1 interface:
⚫ Supports USB 3.0 and USB 2.0 specifications
⚫ Only supports Host mode
⚫ USB3.0 SS channel can be multiplexed into SATA1 or QSGMII/SGMII* interface. For the multiplexing
relationship, see document [2]
USB2 and USB3 interfaces:
⚫ Support USB 2.0 specifications
⚫ Only support Host mode
Table 11: Pins Description of USB Interfaces