SPRUHZ7K August 2015 – April 2024 AM5706 , AM5708 , AM5716 , AM5718 , AM5718-HIREL
The internal USB2PHY1 (HS) transceiver must be powered and configured upon startup. No action is expected from the device ROM code for its configuration.
Figure 33-12 shows the USB initialization procedure.
Figure 33-12 USB Initialization ProcedureThe ROM code does not consider the USB PHYs charger detection circuitry status.
The ROM code assumes that VBUS is always present.