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USB hosts hubs transceivers

TeMa_2997106
Level 6
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Level 6

It is connecting HS device as Upstream. And it is necessary to confirm the HS Host in the USB signal quality test(e.g. Proper Eye Measurement) . Is it necessary to make any settings on the HX2LP for signal quality?
Is there anything else I should do other than putting the Host in test packet mode?

The HX2VL has a TEST pin. Not in HX2LP.

Thanks,
Tetsuo

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1 Solution
MallikaK_22
Moderator
Moderator 250 solutions authored 500 replies posted 250 replies posted
Moderator

Hi Tetsuo,

To put HX2LP in test mode, the host application has to be used. Please refer to : https://www.usb.org/documents?search=&category%5B0%5D=50&items_per_page=50

for the host application USBHSET. This application can put the device into test mode by driving D+ D- lines.

Regards,

Mallika

 

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MallikaK_22
Moderator
Moderator 250 solutions authored 500 replies posted 250 replies posted
Moderator

Hi Tetsuo,

To put HX2LP in test mode, the host application has to be used. Please refer to : https://www.usb.org/documents?search=&category%5B0%5D=50&items_per_page=50

for the host application USBHSET. This application can put the device into test mode by driving D+ D- lines.

Regards,

Mallika

 

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TeMa_2997106
Level 6
250 replies posted 250 sign-ins 100 replies posted
Level 6

Mallika-san,

Thank you for your reply.

On the other hand, will the HX2VL go into test mode just by enabling the TEST pin? Is this different from HX2LP?

Thank you,
Tetsuo

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MallikaK_22
Moderator
Moderator 250 solutions authored 500 replies posted 250 replies posted
Moderator

Hello,

For doing USB 2.0 compliance tests on the hub, kindly refer to the following document.

Regards,

Mallika

 

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