Would this USB detection circuit work as expected

  
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When ONLY VR will supply power to circuit, then MCU again will get power from +5V bus, but FTDI will ONLY get VCCIO. On middle of voltage divider R10/R11 I expect there will be 0 and MCU will not detect USB connection on (B). The question is - would it work the way I described or I missed something My concern is it ok to hook up only VCCIO to
Would this USB detection circuit work as expected - schematic

FTDI Would it damage or lead to unknown behavior



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