Usb Connectors - Seco Qseven CQ7-D03 User Manual

3.3.6

USB connectors

CQ7-D03 carrier board offers the possibility of connecting multiple USB devices, exploiting the USB lanes that can come out from Qseven
Common mode chokes are placed on all USB differential pairs for EMI compliance. For ESD protection, on all data and voltage lines are placed clamping diodes for
voltage transient suppression.
USB 2.0 type A receptacle - CN6
Pin Signal
1 +5V
USB2
2 USB_P4-
3 USB_P4+
4 GND
USB 3.0 type A receptacle
Pin Signal
10 +5V
USB1
11 USB_P1-
12 USB_P1+
13 GND
14 USB_SSRX1-
15 USB_SSRX1+
16 GND
17 USB_SSTX1-
18 USB_SSTX1+
+5V and +5V are derived from +5V_ALW through a 1A current limited power switch.
USB0 USB1
CQ7-D03
CQ7-D03 - Rev. First Edition: 1.1 - Last Edition: 1.0 - Author: S.O. - Reviewed by M.B. Copyright © 2022 SECO S.p.A.
USB 2.0 port #4, coming out from Qseven
CN6.
Since this connector is a standard type receptacle, it can be connected to all types of USB 1.1 / USB
2.0 devices using Standard-A USB 2.0 cables.
Signal description of this port:
USB_P4+ / USB_P4- : Qseven
+5V is derived from +5V_ALW through a 500mA current limited power switch.
USB2
USB 3.0 port #1, coming out from Qseven
CN7
Since this connector is a standard type receptacle, it 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.
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.
Please be aware that USB Port #1, coming out from Qseven module, is shared between connector CN7 and the
USB Micro-AB connector CN8.
Signal description of this port:
USB_P1+ / USB_P1- : Qseven
USB_SSRX1+ / USB_SSRX1- : Qseven
USB_SSTX1+ / USB_SSTX1- : Qseven
®
module, is carried out on a vertical Type-A receptacle,
®
Module USB Port #4 differential pair
®
module, is available on a vertical USB connector, CN7.
®
Module USB Port #1 differential pair
®
Module USB Super Speed Port #1 receive signal differential pair
®
Module USB Super Speed Port #1 transmit signal differential pair
®
module.
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