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FT2232H... U3.
Hi-speed USB ULPI PHY (U18) is provided with USB3320 from Microchip. The ULPI interface is connected to the Zynq SoC's PS USB0 via MIO28..39, bank 501 (see also section). The I/O voltage is fixed at 3.3V and PHY reference clock input is supplied from the on-board 52.000000 MHz oscillator (U14).
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