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3.3.2
USB ports
®
The Intel
Braswell family of SoCs used on UDOO x86 board can manage up to four USB SuperSpeed (i.e., USB 3.0 compliant) ports and five High Speed (i.e.
USB 2.0 compliant) ports. There is only one dedicated High Speed port, the other four ports are shared with the SuperSpeed ports, i.e. they can be used either by
USB 2.0 or USB 3.0.
USB 3.0 port#0 type A receptacle - CN6
Pin
Signal
Pin
1
+5V
5
USB0
2
USB_P0-
6
3
USB_P0+
7
4
GND
8
9
USB 3.0 port#1 type A receptacle - CN7
Pin
Signal
Pin
1
+5V
5
USB1
2
USB_P1-
6
3
USB_P1+
7
4
GND
8
9
Signal description:
USB_P0+/USB_P0-: USB 2.0 Port #0 differential pair.
USB_SSRX0+/USB_SSRX0-: USB Super Speed Port #0 receive differential pair.
USB_SSTX0+/USB_SSTX0-: USB Super Speed Port #0 transmit differential pair.
USB_P1+/USB_P1-: USB 2.0 Port #1 differential pair.
USB_SSRX1+/USB_SSRX1-: USB Super Speed Port #1 receive differential pair.
USB_SSTX1+/USB_SSTX1-: USB Super Speed Port #1 transmit differential pair.
X86
UDOO X86 User Manual - Rev. First Edition: 1.0 - Last Edition: 1.0 - Author: S.B. - Reviewed by M.B. Copyright © 2017 SECO S.r.l.
The USB 3.0 ports #0 and #1 are available on two single USB connectors, CN6 and
CN7, placed on the same side of the PCB ("Frontal"), while USB 3.0 port #2 is available
on USB connector CN8 placed on the opposite side ("Rear"). "Rear" and "Frontal" terms
Signal
are used considering a possible application of this board with an enclosure). The
USB_SSRX0-
connectors used are standard USB 3.0 type-A receptacles.
USB_SSRX0+
Since these connectors are standard type-A receptacle, they can be connected to all types of USB 1.1
/ USB 2.0 / USB 3.0 devices using standard-A USB 3.0 or USB 2.0 plugs.
GND
USB_SSTX0-
For USB 3.0 connections it is mandatory the use of SuperSpeed certified cables, whose SuperSpeed
differential pairs are individually shielded inside the global cable's external shielding.
USB_SSTX0+
USB 3.0 port #2 type-A receptacle - CN8
Signal
Pin
Signal
USB_SSRX1-
1
+5V
USB_SSRX1+
2
USB_P2-
GND
3
USB_P2+
USB_SSTX1-
4
GND
USB_SSTX1+
Pin
Signal
5
USB_SSRX2-
USB2
6
USB_SSRX2+
7
GND
8
USB_SSTX2-
9
USB_SSTX2+
24
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