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need help for understanding STM32f407 + usb hub Tusb2046b

Question asked by bylich.andrey on Mar 5, 2016
Latest reply on Mar 8, 2016 by Chinzei.Tsuneo
hi, all.

ive tryed to connect to my  ..F407 via hub Tusb2046b

if i connect hub to PC without F407 - all work ok upstream and downstream..
but if i connect to downstream port F407, hub is crashed and Windows cant recognize
 device...  i configeured F407 as FS usb without VBUS and SOF ..type - deviceonly (i configured via CUBE)

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