Method and apparatus to obtain code data for USB device

Details Method and apparatus to obtain code data for USB device Method and apparatus to obtain code data for USB device

2008-09-30

2010-12-14

Stiglic, Ryan M (Department: 2111)

Electrical computers and digital data processing systems: input/

Intrasystem connection

Bus interface architecture

C710S019000, C710S105000, C710S308000, C710S310000, C710S313000

Reexamination Certificate

active

07853748

ABSTRACT:
A method and apparatus are provided that include creating an image of a page descriptor at a universal serial bus (USB) device, transferring the image of the page descriptor to a main memory, modifying a schedule list in a main memory based on the transferred image, identifying an active transaction in the modified schedule list, and providing code data to the USB device from the main memory based on the identified active transaction.

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