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3.3.4 USB ports
Double USB 2.0 type A receptacle - CN6
Pin
Signal
Pin
Signal
1
+5V
5
+5V
USB1
2
USB_P1-
6
USB_P2-
3
USB_P1+
7
USB_P2+
4
GND
8
GND
USB internal pin header - CN4
Pin
Signal
1
+3V_A
2
+5V_A
3
USB_P4+
4
USB_P4-
5
GND
6
N.C.
7
N.C.
USB connector - J9
Pin
Signal
1
+5V_S
2
USB_H2-
3
USB_H2+
4
GND
SBC-984
SBC-984 User Manual - Rev. First Edition: 1.0 - Last Edition: 4.0 - Author: S.B. - Reviewed by N.P. Copyright © 2016 SECO S.r.l.
Lined to the ETHERNET connector, there is a double USB connector, CN6, which is a
standard double USB Type A socket, shielded. It carries out USB ports #1 and #2 coming
out from SMSC USB2514 USB 2.0 Hi-Speed Hub Controller
Since this connector is a standard type-A receptacle, it can be connected to all types of USB
USB2
1.1 / USB 2.0 devices using Standard-A USB 3.0 or USB 2.0 plugs.
Port #4 of the same USB hub is carried to an internal female pin Header, located on the bottom of the board, which is
intended for the connection of optional WiFi module (obviously, it can also be used as a standard USB2.0 port). Please
check also par. 4.2.2 for further details about this module
Pin Header is a standard 7-pin p 2.54 mm female header, h=4.5mm, with the pinout shown in the
table on the left.
Port#3 of SMSC USB2514 Hub controller is used to drive a second USB Hub, which makes available two
further USB 2.0 ports.
One of them (port #1, let's name it USB_H1) is carried to miniPCI-e / mSATA slot, which is documented in
paragraph 3.3.6.
The other USB port (port #2, let's name it USB_H2) is carried out on an additional USB Type A connector, which is
available on the "rear" side of the board, on a vertical, right-angle, standard USB Type A socket.
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