![TUSB4020BI: How to use with hardware mode as USB hub product - Interface forum - Interface - TI E2E support forums TUSB4020BI: How to use with hardware mode as USB hub product - Interface forum - Interface - TI E2E support forums](https://e2e.ti.com/cfs-file/__key/communityserver-discussions-components-files/138/TUSB4020B_5F00_Typical_5F00_Application.png)
TUSB4020BI: How to use with hardware mode as USB hub product - Interface forum - Interface - TI E2E support forums
![RTOS/TUSB4020BI: TUSB4020BI schematics and appcation questions - Interface forum - Interface - TI E2E support forums RTOS/TUSB4020BI: TUSB4020BI schematics and appcation questions - Interface forum - Interface - TI E2E support forums](https://e2e.ti.com/resized-image/__size/2460x0/__key/communityserver-discussions-components-files/138/0488.IAC.png)
RTOS/TUSB4020BI: TUSB4020BI schematics and appcation questions - Interface forum - Interface - TI E2E support forums
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TUSB4020BI: USB_DN1 only recognize full and low speed - Interface forum - Interface - TI E2E support forums
![TUSB4020BI-Q1: Hub unresponsive, drawing lots of current. - Interface forum - Interface - TI E2E support forums TUSB4020BI-Q1: Hub unresponsive, drawing lots of current. - Interface forum - Interface - TI E2E support forums](https://e2e.ti.com/cfs-file/__key/communityserver-discussions-components-files/138/2500.USB.png)
TUSB4020BI-Q1: Hub unresponsive, drawing lots of current. - Interface forum - Interface - TI E2E support forums
![TUSB4020BI-Q1: If the chip is connected with a hub(TUSB4020BI-Q1), the mouse/ keyboard or CD-ROM will not be recognized. - Interface forum - Interface - TI E2E support forums TUSB4020BI-Q1: If the chip is connected with a hub(TUSB4020BI-Q1), the mouse/ keyboard or CD-ROM will not be recognized. - Interface forum - Interface - TI E2E support forums](https://e2e.ti.com/cfs-file/__key/communityserver-discussions-components-files/138/TUSB4020BI_2D00_Q1.jpg)
TUSB4020BI-Q1: If the chip is connected with a hub(TUSB4020BI-Q1), the mouse/ keyboard or CD-ROM will not be recognized. - Interface forum - Interface - TI E2E support forums
![TUSB4020BI-Q1: If the chip is connected with a hub(TUSB4020BI-Q1), the mouse/ keyboard or CD-ROM will not be recognized. - Interface forum - Interface - TI E2E support forums TUSB4020BI-Q1: If the chip is connected with a hub(TUSB4020BI-Q1), the mouse/ keyboard or CD-ROM will not be recognized. - Interface forum - Interface - TI E2E support forums](https://e2e.ti.com/cfs-file/__key/communityserver-discussions-components-files/138/TUSB4020BI_2D00_Q1_2D00_1.jpg)