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Data Sheet, Rev. 4 June 2001
USS-820D USB Device Controller
Features
New Features After Revision B
I Full compliance with the Universal Serial Bus Specification Revision 1.1.
I Backward compatible with USS-820B and USS-820C revisions.
I Self-powered or bus-powered USB device. Meets USB power specifications for bus-powered devices.
I Full-speed USB device (12 Mbits/s).
I USB device controller with protocol control and administration for up to 16 USB endpoints.
I Supports control, interrupt, bulk, and isochronous transfers for all 16 endpoints.
I Programmable endpoint types and FIFO sizes and internal 1120-byte logical (2240-byte physical for dual-packet mode) shared FIFO storage allow a wide variety of configurations.
I Dual-packet mode of FIFOs reduces latency.