Avery Design Systems USB-Xactor
USB-Xactor, from Avery Design Systems, is a verification solution that supports the USB 3.0 specification. USB-Xactor is a complete verification solution consisting of SystemVerilog OVM/VMM compliant Bus Functional Models (BFM), protocol checkers, directed and random compliance test suites, and reference verification frameworks. The USB-Xactor enables design and verification engineers to quickly and extensively test the entire functionality of their Superspeed compliant host, hub, and device controller-based designs.
USB-Xactor Features
- Host model performs bus enumeration and and allocates independent USB pipes for communication flows between host and each device endpoint
- Program models for TP sequences for Bulk, Isochronous, Interrupt, Bulk Stream, and Control (Device request) transfer types
- Program USB Device requests to access USB device descriptors
- Automatic frame scheduling and bus interval and service interval support including ITP generation
- Program and send raw protocol layer packets
- Program USB host and device model timing parameters and response behaviors such as link commands
- Automatic flow control
- Fine-grained control over LTSSM transition sequences
- Fine-grained link layer controls
- Inject errors at all layers through callbacks
- Control device operations state transitions including suspend/resume
- Full power management support (U0-U3) including automatic and software directed entry/exit
- PowerOn and Inband reset
BFM Features
- Layered environment based on family of SystemVerilog classes and methods
- Abstract data model for transfer, packet, and descriptor types
- Drivers, event callbacks, and scoreboard options automate status and result checking
- Random scenario generation with constraints stress design operation
- Directed tests for focused functional compliance testing
- Functional coverage monitoring of scenario cases
- Comprehensive protocol checking
- VMM/OVM support
More information: Avery Design Systems
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