![TUSB4020BI: controlling on/off of downstream communication by I2C - Interface forum - Interface - TI E2E support forums TUSB4020BI: controlling on/off of downstream communication by I2C - Interface forum - Interface - TI E2E support forums](https://e2e.ti.com/cfs-file/__key/communityserver-discussions-components-files/138/4532.TUSB4020BI.png)
TUSB4020BI: controlling on/off of downstream communication by I2C - Interface forum - Interface - TI E2E support forums
![100-Baru-Asli-TUSB4020BIPHPR-TUSB4020BI -T4020BI-TUSB4020-T402081-T40208I-T4020B1-2-Port-USB-2-0-Hub.jpg_.webp 100-Baru-Asli-TUSB4020BIPHPR-TUSB4020BI -T4020BI-TUSB4020-T402081-T40208I-T4020B1-2-Port-USB-2-0-Hub.jpg_.webp](https://ae01.alicdn.com/kf/HTB1y5ueUgHqK1RjSZJnq6zNLpXab/100-Baru-Asli-TUSB4020BIPHPR-TUSB4020BI-T4020BI-TUSB4020-T402081-T40208I-T4020B1-2-Port-USB-2-0-Hub.jpg_.webp)
100-Baru-Asli-TUSB4020BIPHPR-TUSB4020BI -T4020BI-TUSB4020-T402081-T40208I-T4020B1-2-Port-USB-2-0-Hub.jpg_.webp
![TUSB4020BI: OTP/EEPROM Programming Through the USB 2.0 Upstream Port - Interface forum - Interface - TI E2E support forums TUSB4020BI: OTP/EEPROM Programming Through the USB 2.0 Upstream Port - Interface forum - Interface - TI E2E support forums](https://e2e.ti.com/cfs-file/__key/communityserver-discussions-components-files/138/6237.TUSB4020BI.png)
TUSB4020BI: OTP/EEPROM Programming Through the USB 2.0 Upstream Port - 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: TUSB4020BI Q1 Hub not detecting - Interface forum - Interface - TI E2E support forums TUSB4020BI-Q1: TUSB4020BI Q1 Hub not detecting - Interface forum - Interface - TI E2E support forums](https://e2e.ti.com/resized-image/__size/1230x0/__key/communityserver-discussions-components-files/138/6663.controller.jpg)
TUSB4020BI-Q1: TUSB4020BI Q1 Hub not detecting - Interface forum - Interface - TI E2E support forums
![TUSB4020BI: Manual Reset the TUSB4020BI with Microcontroller - Interface forum - Interface - TI E2E support forums TUSB4020BI: Manual Reset the TUSB4020BI with Microcontroller - Interface forum - Interface - TI E2E support forums](https://e2e.ti.com/cfs-file/__key/communityserver-discussions-components-files/138/TUSB4020B_5F00_GRSTz.png)
TUSB4020BI: Manual Reset the TUSB4020BI with Microcontroller - Interface forum - Interface - TI E2E support forums
![TUSB4020BI: Pls help review schematic diagram designing and give same suggestion. - Interface forum - Interface - TI E2E support forums TUSB4020BI: Pls help review schematic diagram designing and give same suggestion. - Interface forum - Interface - TI E2E support forums](https://e2e.ti.com/resized-image/__size/320x240/__key/communityserver-discussions-components-files/138/2438.TUSB4020.jpg)