USB2.0 IP core and uClinux driver

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Using usb camera on dev board involves hardware and software designs,

I want to use USB driver in nios wiki,

but in hardware, I am still confused ,

how to connect USB controller(isp1362 or isp1761) in SOPC Builder in quartus?

does usb camera work without USB2.0 ip core?

I don&#39;t kown how to acess usb camera without USB2.0 ip core.

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Regards

zhangyan