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ISP1561
Hi-Speed Universal Serial Bus PCI Host Controller
Rev. 02 — 5 March 2007
Product data sheet
1. General description
The ISP1561 is a Peripheral Component Interconnect (PCI)-based, single-chip Universal Serial Bus (USB) Host Controller. It integrates two Original USB Open Host Controller Interface (OHCI) cores, one Hi-Speed USB Enhanced Host Controller Interface (EHCI) core, and four transceivers that are compliant with Hi-Speed USB and Original USB. The functional parts of the ISP1561 are fully compliant with Ref. 8 “Universal Serial Bus Specification”, Ref. 4 “Open Host Controller Interface Specification for USB”, Ref. 2 “Enhanced Host Controller Interface Specification for Universal Serial Bus”, Ref. 6 “PCI Local Bus Specification”, and Ref.