Microchip® Advanced Software Framework

Human interface on SAM L21 Xplained Pro:

• host mode:
  • Led 0 is on when it's host and there is no device connected
  • Led 0 blinks when a HID mouse is enumerated and USB in idle mode
    • The blink is slow (1s) with low speed device
    • The blink is normal (0.5s) with full speed device
    • The blink is fast (0.25s) with high speed device
  • Led 0 is on when a HID mouse button is pressed
  • Button SW0 allows to enter the device in suspend mode with remote wakeup feature authorized
  • Only SW0 button can be used to wakeup USB device in suspend mode
• device mode:
  • Led 0 blinks when the device is enumerated and USB in idle mode
  • SW0 is used to move mouse around
  • Only a low level on SW0 will generate a wakeup to USB Host in remote wakeup mode.