公司：SLS

产品简介：The USB 2.0 Device, Software Enumeration (USB20SR) IP Core is a RAM based USB 2.0 device core with 32-bit Avalon interface and ULPI interface support. The core supports both High Speed (480 Mbps) and Full Speed (12 Mbps) functionality. The core supports three preconfigured endpoints Control, IN, and OUT. It can be configurable for up to 15 IN/OUT endpoints on customer request on chargeable basis. Each configurable endpoint has an endpoint controller that supports interrupt, bulk, and isochronous transfers. The core has been optimized for Altera FPGAs and its functionality has been verified on the hardware with Altera Quartus II. The package includes ModelSim precompiled library for core simulation and verification.

特色：Features
■ USB 2.0 USB IF high-speed certified (TID# 70680007)
■ Supports both High Speed (480 Mbps) and Full Speed (12 Mbps)
■ High speed or Full speed operation selection through Software
■ ULPI Interface support
■ Preconfigured for 3 endpoints
● CONTROL ● IN ● OUT
■ Configurable for up to 15 IN/OUT endpoints which supports Bulk,
Isochronous and Interrupt functionality on each endpoint on
customer request at additionalcost
■ Software controlled CONTROL, IN, and OUT endpoints
■ Optimized for use with Altera Nios II embedded
processor
■ Avalon System Interconnect Fabric compliant
■ Optimized LE count

4. USB 2.0 Device Core - Software based enumeration.rar