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How to test USB eye diagram on i.MX8M?

Question asked by charles huang on May 9, 2019
Latest reply on Nov 27, 2019 by Yuri Muhin
Branched to a new discussion

Hi , we want to test USB eye diagram on iMX8M

But we don't know how to test , we have already seen this link i.MX6Q/eye pattern of USB HS1 setup 

We have tried the register (DCTL)

#./memtool -32 0x3810c704=0x00F00008

but it's not work for us and evk board.

We want to force to output Test Packet , how to do this ?

 

thanks

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