Method and apparatus for constructing wired-and bus systems

Details Method and apparatus for constructing wired-and bus systems Method and apparatus for constructing wired-and bus systems

2007-10-16

2007-10-16

Dang, Khanh (Department: 2111)

Electrical computers and digital data processing systems: input/

Intrasystem connection

Bus access regulation

C710S311000

Reexamination Certificate

active

11173640

ABSTRACT:
A large multimaster I2C bus system is partitioned into smaller bus segments. The bus segments are connected by bridges that isolate the segments and direct selected transactions and commands between the segments. The bridge may handle bus segment error conditions and particularly a hang on the Port B bus by attempting to cause any device on the bus segment to respond after the bus bridge has attempted to acquire the segment for a first predetermined period of time. If the bus responds within the first predetermined period of time, the bus bridge resets the bus segment.

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