I need to TUBS4020BI schematic review

Daniel park

Prodigy 10 points

Other Parts Discussed in Thread: TUSB4020BI

I make the HUB_board for dual USB memory

I used to TUSB4020BI

but HUB_board are don't work some time

We need to schematic review!

please check itSCHEMATIC1 _ 16 _ USB to HUB_TU.PDF

over 9 years ago

0 Elias Villegas M. over 9 years ago

TI__Guru* 76130 points

Hello,
By connecting terminal SMBUSz to GND you are selecting SMBus mode, are you configuring the Hub via SMBus? If so, you have to clear the CFG_ACTIVE bit once you finished your configuration, if not, you have to set SMBUSz high.
Regards

Interface

Interface forum

I need to TUBS4020BI schematic review