TUSB8020B: USB HUB Schematic review

Dear FAE Sir:

                   please check USB HUB Schecmatic .if any issue please let me knwo to modify it

and why the TUSB8020B not used  EEPROM or SMBBus to settup up inital parameter . thanks.

USB3.0 Hub&Re-driver.pdf 

Kailyn Chen：

Hello，

 EEPROM and SMBUS/I2C are optional.  If neither are used, SMBUSz should be set high and TUSB8020  can work with pin configurations. 

As to the TUSB8020 schematic, please refer to the TUSB8020 EVM user's guide Page9:

https://www.ti.com.cn/cn/lit/ug/sllu196/sllu196.pdf