TUSB8020B: How to output USB2.0 signal test pattern

Kazuhiko Hirano

Part Number: TUSB8020B

Hello,

The following E2E thread describe how to output USB3.0 signal test pattern, but my customer would like to know about USB2.0. How can customer generate USB2.0 signal test pattern?
https://e2e.ti.com/support/interface-group/interface/f/interface-forum/1110676/tusb8020b-how-to-output-usb-signal-test-pattern/4116844?tisearch=e2e-sitesearch&keymatch=TUSB8020B%252525252520test#4116844

best regards,

K.Hirano

over 3 years ago

0 David (ASIC) Liu over 3 years ago

TI__Guru**** 184001 points

K.Hirano

You still use the same USBxHSETT tool, which can be downloaded from usb.org and loaded on a Windows-based systems. To test a USB hub, connect the hub to a USB host running the USBxHSETT tool to generate the expected USB request to enter test mode and begin generating USB test packets on the hub port under test.

Thanks

David

0 Kazuhiko Hirano over 3 years ago in reply to David (ASIC) Liu

TI__Genius 15898 points

David,

Thank you for your response.

One more question.
The host has to communicate with TUSB8020B via I2C to do the test?
Or the host can communicate with TUSB8020B via commands through USB connection?

Best regards,

K.Hirano

+1 David (ASIC) Liu over 3 years ago in reply to Kazuhiko Hirano

TI__Guru**** 184001 points

K.Hirano

The host communicates with TUSB8020B via commands through USB connection.

Thanks

David

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TUSB8020B: How to output USB2.0 signal test pattern