jituelect
Newbie level 5
USB ustream power
hi,
Can someone give the explanation of this sentence in usb 2.0 specification,
line 45, page 171
"No device shall supply (source) current on VBUS at its upstream facing port at any
time"
or
"No USB device, whether bus powered or self powered can drive the VBUS on
its upstream facing port "
TIA
hi,
Can someone give the explanation of this sentence in usb 2.0 specification,
line 45, page 171
"No device shall supply (source) current on VBUS at its upstream facing port at any
time"
or
"No USB device, whether bus powered or self powered can drive the VBUS on
its upstream facing port "
TIA