TUSB4020BI-Q1: If the chip is connected with a hub（TUSB4020BI-Q1）, the mouse/ keyboard or CD-ROM will not be recognized.

michael Zhu

Part Number: TUSB4020BI-Q1

Dear Sir,

If the chip is connected with a hub（TUSB4020BI-Q1）, the mouse/ keyboard or CD-ROM will not be recognized. Even if Replug the mouse/keyboard,The host computer can not recognize the key mouse or recognize only one device. This problem doesn't exist in other commercial hub.

Thanks！

over 6 years ago

0 Malik Barton57 over 6 years ago

TI__Guru 64326 points

Hi Michael,

Please read the post linked below and double check the point listed (if applicable). If you have further questions please post them here.

e2e.ti.com/.../719918

0 Nasser Mohammadi over 6 years ago in reply to Malik Barton57

TI__Guru* 93670 points

Hi Michael,
It's been three days and there is no update on this E2E thread. I am assuming you've been able to resolve this issue. We are closing this case and please re-open if there is a new update.
Regards,,nasser

Interface

Interface forum

TUSB4020BI-Q1: If the chip is connected with a hub（TUSB4020BI-Q1）, the mouse/ keyboard or CD-ROM will not be recognized.