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USB 3.0 Hub
特色
- Complies with USB 3.0 standard for Super-Speed (5.0 Gbps), Hi-Speed (480 Mbps), Full-Speed (12Mbps) and Low-Speed (1.5 Mbps).
- Backward compatible with USB2.0 devicesand hubs and the type A connectors.
- Technology and P rocessindependent.
- Data Interface is Dual-simplex, 4-wire differential signaling, separate from USB2.0 signaling with downstream connect / disconnect detection.
- Supports Super speed UTMI transceiver interface with extension to the existing UTMI Interface for USB2.0
- Super-S peed Hub3.0 consists of Hub Forwarder/Repeater and a Hub Controller.
- Separate Header Buffers for each Upstream and Downstream Port’s traffic Forwarding / Repeating.
- Compatible USB transfersupport for Control and Interrupt transfers to USB3.0 Hub using USB3.0 Transaction / Handshake Packets and the Data Packets.
- Super-speed Independent Data Packet Buffering and Concurrent transactionsin both Upstream and Downstream directions
- Bus Transaction protocol is host directed and has asynchronous trafficflow . The packet traffic is explicitly routed.
- Store and Forward morethan one data packets at the same time.
- End-to-End Protocol will retry for recovery.
- Support all standard and Hub specific control transfer requests.
- Super-speed Repeater / Forwarder reclock packets in both the directions.
- Supports suspend and resume signaling and also handle Hub Power Management.
- Utility for wiring of parameterizable downstream Ports, its routing and descriptor generation.
- Fully synthesizable.
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