PORTS Forum

Ports and Interfaces => USB => Topic started by: Chris on July 28, 2011, 02:50:28 am

Title: TSEQ in USB3.0.
Post by: Chris on July 28, 2011, 02:50:28 am

I have see"TSEQ is used for symbol lock in training"in usb 3.0 spec.But what is the sense of TSEQ,why TSEQ should send 65536 times. Does  CDR cant work if Just send a little of 4 times ?

Title: Re: TSEQ in USB3.0.
Post by: Jan Axelson on July 28, 2011, 10:15:26 am

The USB 3.0 spec says the TSEQ training sequence repeats 65536  times to allow for testing many coefficient settings.

Jan