USBHostSlave is a USB 1.1 host and Device IP core. – Supports full speed (12Mbps) and low speed (1.5Mbps) operation. – USB Device has four endpoints, each with their own independent FIFO. – Supports the four types of USB data transfer control, bulk, interrupt, and isochronous transfers. – Host can automatically generate SOF packets. – 8-bit Wishbone slave bus interface. – FIFO depth configurable via paramters.