SuperSpeed USB DRD Subsystem has four instances in the device providing the following functions:
- USB1: SuperSpeed (SS) USB 3.0 Dual-Role-Device (DRD) subsystem with integrated SS (USB3.0) PHY and HS/FS (USB2.0) PHY
- USB2: High-Speed (HS) USB 2.0 Dual-Role-Device (DRD) subsystem with integrated HS/FS PHY
- USB3: HS USB 2.0 Dual-Role-Device (DRD) subsystem with ULPI (SDR) interface to external HS/FS PHYs
- USB4: HS USB 2.0 Dual-Role-Device (DRD) subsystem with ULPI (SDR) interface to external HS/FS PHYs.
Figure 24-143 shows the USB1 subsystem overview.
Figure 24-144 shows the USB2 subsystem overview.
Figure 24-145 shows the USB3 and USB4 subsystem overview.