High-level bridge from PCIE to extended USB

Details High-level bridge from PCIE to extended USB High-level bridge from PCIE to extended USB

2007-10-29

2010-02-02

Auve, Glenn A (Department: 2111)

Electrical computers and digital data processing systems: input/

Intrasystem connection

Bus interface architecture

C710S306000, C710S313000

Reexamination Certificate

active

07657692

ABSTRACT:
An extended universal-serial bus (EUSB) bridge to a host computer can have peripheral component interconnect express (PCIE) protocol layers on one side of the bridge, and EUSB layers on the other side of the bridge, with a high-level bridging converter module connecting the upper layers. The PCIE physical, data-link, and transport layers may be eliminated by integrating the bridge with an I/O controller. PCIE requests and data payloads are directly sent to the bridge, rather than low-level PCIE physical signals. The PCIE data payloads are converted to EUSB data payloads by a high-level direct bridging converter module. Then the EUSB data payloads are passed down to an EUSB transaction layer, an EUSB data-link layer, and an EUSB physical layer which drives and senses physical electrical signals on both differential pairs of the EUSB bus.

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