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10.6 USB
The PX30-uQ7 CPU has 2 USB 2.0 controllers. A USB 2.0 hub provides two additional USB 2.0 ports for a total of four.
The routing of Qseven signals to CPU and/or hub port is shown below.
Qseven Port #
USB_P0
USB_P1
USB_P2
USB_P3
The
command shows the USB topology in a tree view and is highly recommended. Its output is discussed below,
for a PX30-uQ7 module without additional devices connected:
The CAN controller is connected to
The USB hub can be held in reset, if required. This disables all USB ports connected to the hub. The reset signal routing is
shown below:
PX30-uQ7 User Manual
© Theobroma Systems Design und Consulting GmbH
Speed
USB 2.0 Hi-Speed
USB 2.0 Hi-Speed
USB 2.0 Hi-Speed
USB 2.0 Hi-Speed
on the hub.
Hub signal
CPU Pin
USBHUB_RESETn
GPIO0_A5
Connected to
Notes
Hub
CPU
OTG Port
Hub
Hub
Linux GPIO #
5
v1.0.1-8-g2dd91c8
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