188.8.131.52. USB Interface Design Guidelines
The Intel® Agilex™ HPS can connect its embedded USB MACs directly to industry-standard USB 2.0 ULPI PHYs using the 1.8 V dedicated HPS I/O. No FPGA routing resources are used and timing is fixed, which simplifies design.
For more information about the design considerations for USB, refer to the Intel® Agilex™ Hard Processor System Technical Reference Manual.
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