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USB2.0 questions: SYNC pattern

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USB2.0 question

hello everyone:
When I design usb2.0 phy's logic part and read UTMI spec of Intel,I have two question:
1.the first bit of SYNC pattern is synchronizd with 60M clk??
2.the SYNC pattern that device received is no less than 12bits?Can 11 or 10bits?
 

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