User manual

ARK-3380 User Manual 18
2.3.12 USB Connector
The ARK-3380 provides one connector of USB interface, which gives
complete Plug & Play and hot swapping for up to 127 external devices.
The USB interface complies with USB UHCI, Rev. 2.0 compliant. The
USB interface can be disabled in the system BIOS setup. Please refer to
Table 2.13 for its pin assignments.
The USB connector is used for connecting any device that conforms to
the USB interface. Many recent digital devices conform to this standard.
The USB interface supports Plug and Play, which enables you to connect
or disconnect a device whenever you want, without turning off the com-
puter.
Figure 2.13: USB connector
12 NC
13 H-SYNC
14 V-SYNC
15 NC
Table 2.13: USB Connector
Pin Signal name Pin Signal name
1 VCC 2 VCC
3 USB_P0- 4 USB_P1-
5 USB_P0+ 6 USB_P1+
7 GND 8 GND
9 GND 10 NC
4
3
2
1
4
3
2
1