Advantech UNO-247 Series, User Manual

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UNO-247 User Manual 12
2.3.1.3 USB Connector
The USB interface supports plug-and-play functionality, which enables users to con-
nect or disconnect a device without turning off the computer. The UNO-247 also fea-
tures four USB connectors that support plug-and-play and hot-swapping function-
ality for external devices. The USB interface can be enabled/disabled in the BIOS
menu. Furthermore, the UNO-247 also features four USB ports that comply with USB
EHCI, Rev. 3.0, specifications. (Refer to Appendix A.5 for pin assignments.)
USB 3.0
Figure 2.6 USB 3.0 Connector
USB 2.0
Figure 2.7 USB 2.0 Connector
Table 2.6: USB 3.0 Connector Pin Assignments
Pin Signal Name Description
1 VBUS Power
2 D-
USB2.0 differential pair
3 D+
4 GND Ground for power return
5 StdA_SSRX-
SuperSpeed receiver differential pair
6 St
7 GND_DRIAN Ground for signal return
8 StdA_SSTX-
SuperSpeed transmitter differential pair
9 St
Table 2.7: USB 2.0 Connector Pin Assignments
Pin Signal Name Description
1 VBUS Power
2 D-
USB2.0 differential pair
3 D+
4 GND Ground for power return