Human interface on XMEGA-A3BU Xplained:
- Led 0 is on when USB line is in IDLE mode, and off in SUSPEND mode
- Led 1 blinks when USB Host have checked and enabled HID generic interface
- Green LED close to USB connector is on linked on HID events LED 2
- Red LED close to USB connector is linked on HID events LED 3
- Event buttons are linked to switches CS0, CS1, CS2 and CS3 (CS3 = QTouch button managed by XMEGA QTouch library)
- All switches can be used to wakeup USB Host in remote wakeup mode.