Dears
In the TUSB1210EVM User Guide, Figure 3 is as follows: Input signal (ULPI interface) termination resistor, why use 22Ω?
Can you help me to see if usb.pdfis reasonable and what needs to be modified?
Thanks a lot.
Best Regards
Elsa Duan
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Dears
In the TUSB1210EVM User Guide, Figure 3 is as follows: Input signal (ULPI interface) termination resistor, why use 22Ω?
Can you help me to see if usb.pdfis reasonable and what needs to be modified?
Thanks a lot.
Best Regards
Elsa Duan
the use guide is 
Please help review the the schematic we designed.0675.usb.pdf
22 ohm is not required.
in your schematic, VDD15 and VDD33 don't need external supply