Renesas' USB 3.1 xHCI Host Controller IP is compliant with the Universal Serial Bus (USB) 3.1 specification. This IP uses AXI interconnection, a system interface that is based on the AMBA® AXI4 and AXI4-Lite protocol specifications. In addition, this IP has interfaces with USB 3.1 PHY, which is compliant with PHY Interface for the PCI Express, SATA, and USB 3.1 Architectures Version 4.3 (PIPE 4.3), and with USB 2.0 PHY, which is compliant with USB 2.0 Transceiver Macrocell Interface Plus (UTMI+) Specification Level 3. Additionally, the USB 3.1 (Gen1) xHCI Host Controller IP supports the following USB 3.1 bus speeds: SuperSpeed® (5Gbps), High-Speed (480Mbps), Full-Speed (12Mbps), and Low-Speed (1.5Mbps). It is also compliant with the Battery Charging Specification Revision 1.2 and is based on the eXtensible Host Controller Interface for the Universal Serial Bus (xHCI) specification as a host controller interface.