i.MX Processors中的主题 How to test USB eye diagram on i.MX8M?

How to test USB eye diagram on i.MX8M?

charleshuang — Thu, 09 May 2019 08:30:10 GMT

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

Re: How to test USB eye diagram on i.MX8M?

Yuri — Tue, 14 May 2019 06:27:34 GMT

Hello,

I've sent You a preliminary document, hope it helps.

Have a great day,

Yuri.

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Re: How to test USB eye diagram on i.MX8M?

jonas_blick — Wed, 27 Nov 2019 13:34:19 GMT

Hi Yuri,

Im trying to do this as well, can you send me the document/patch also?

Thank you!

Re: How to test USB eye diagram on i.MX8M?

Yuri — Thu, 28 Nov 2019 05:52:53 GMT

Hello,

I've sent You message directly.

Regards,

Yuri.

Re: How to test USB eye diagram on i.MX8M?

ktim_chen — Tue, 08 Dec 2020 09:53:23 GMT

Hi Yuri,

I have the same question, could you send the document to me?

Thank you.

Re: How to test USB eye diagram on i.MX8M?

Yuri — Tue, 08 Dec 2020 11:24:51 GMT

@ktim_chen
Hello,

Use app note AN12409 (i.MX6/7/8 series USB Certification Guide)

https://www.nxp.com/docs/en/application-note/AN12409.pdf

Regards,
Yuri.

Re: How to test USB eye diagram on i.MX8M?

mayqueen — Thu, 27 Apr 2023 10:19:47 GMT

We're almost mass production but face USB eye diagram testing problems on IMX8MP/IMX8MM, and I check this link already invalided, could you provide a new link to me? Thanks a lot

Re: How to test USB eye diagram on i.MX8M?

tsmt — Wed, 24 May 2023 07:54:07 GMT

Link is invalid, is it possible that NPX provides an i.MX8 series USB certification guide