Usb (J16, J65, J236, J237) - Kontron ETXexpress UGM User Manual

6.7

USB (J16, J65, J236, J237)

COM Express defines a maximum of 8 USB Ports. On ETXexpress UGM Baseboard 4 USB Ports (USB0-
USB3) are provided via rear panel connector (J16) and two (USB4 & USB6) ports via onboard pin header
(J65). USB Port 5 is used for Express Card.
USB Voltage Selector J236/J237
Jumper USB0/1 Voltage
1-2 +5V
2-3 +5V Standby
With jumpers J236 and J237 it is possible to switch the USB supply voltage from standard +5V to
+5VStandby Voltage. This is necessary to enable USB wakeup events if supported by the module.
Note: When switching USB supply voltage to 5V Standby check the maximum available 5V Standby current from
your power supply.
All 7 USB Ports (USB0-USB6) are ESD and over-current protected. USB7 from ETXexpress is not used on
ETXexpress UGM Baseboard.
Note: If Express Card USB function and USB Port 6 can be used depends on the modules specification. For the
Express Card USB function a module with at least 6 USB ports is necessary. A module with 8 USB Ports will
support all USB connections.
Kontron User's Guide ETXexpress UGM
Evaluation Board
USB2/3 Voltage Pin
+5V 1
3
+5V Standby
5
7
9
22
6 Connector and feature description
J65 Pin out
Description Pin
VCC USB4 2
USB4- 4
USB4+ 6
GND USB4 8
Key Pin 10
Description
VCC USB6
USB6-
USB6+
GND USB6
n.c.