Hi, On Tue, May 13, 2014 at 05:34:31PM -0700, Grant wrote: > Can I disable VBUS while keeping the rest of USB functional for a > device that does not require bus power? unfortunately not, your device would see a disconnection. The reason is that even though you don't really put any load on the bus, the PHY still samples VBUS levels to know when the session is valid (VBUS > 4.4V). -- balbi
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