Usb Host Controller - Congatec COM Express conga-TR3 User Manual

8.5

USB Host Controller

The conga-TR3 offers up to four USB 2.0 and four USB 3.0/2.0 ports. The integrated controller hub in the SoC supports these ports with one
xHCI and one EHCI controller. The routing diagram of the controllers is shown below:
Routing Diagram
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EHCI
0 1
HUB
Routing Mux
Port 0 Port 1 Port 2 Port 3
USB 2.0 USB 2.0 USB 2.0 USB 2.0
Port4 Port5 Port6 Port7
COM Express Connector
FP4 USB Controller
Port 4 SS-0
USB 2.0
Port0
OR
USB 2.0 SuperSpeed
+
Port0
USB 3.0 Port0
(conga-TFS supports 4 USB 2.0 and 4 USB 3.0)
TR33m10
xHCI
Port 5 Port 6
SS-1 SS-2
USB 2.0 USB 2.0
Port1 Port2
OR OR
USB 2.0 SuperSpeed USB 2.0 SuperSpeed
+ +
Port 0 Port1 Port 1 Port2 Port 2
USB 3.0 Port1 USB 3.0 Port2 USB 3.0 Port3
Port 7
SS-3
USB 2.0
Port3
OR
USB 2.0 SuperSpeed
+
Port3 Port 3
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