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Field L2RESUME reader - L2 Remote Wakeup / Resume driver Device mode The microcontroller can set this bit to send remote wake-up signaling to the Host. It must be activated, according to USB specifications, for no less than 1ms and no more than 15ms after which the Host PC is ready to drive the resume sequence up to its end. Host mode Software sets this bit to send resume signaling to the device. Software clears this bit to send end of resume to device and restart SOF generation. In the context of remote wake up, this bit is to be set following the WAKEUP interrupt.