Local bus bridge

Details Local bus bridge Local bus bridge

2006-05-09

2006-05-09

Myers, Paul R. (Department: 2112)

Electrical computers and digital data processing systems: input/

Intrasystem connection

Bus interface architecture

C710S311000, C710S306000

Reexamination Certificate

active

07043594

ABSTRACT:
In a serial bus network, an environment is provided, in which the serial bus is divided to two local buses and a specific terminal connected to one of the local buses can reliably occupy other terminals connected to the other local bus without influence on the terminals connected to the local buses. A specific terminal is connected to a local bus101, to which an inner portal3is connected, and an ID information thereof is preliminarily recorded in a ROM8. After a power source is turned on, the specific terminal connected to the side of the inner portal3is detected according to the ID information from the ROM8. An ID information of all of nodes connected to a local bus104, to which an outer portal4is connected, is read out and stored in a control portion5. A bus reset is generated on the local bus101. In order to give a connection information of the local bus104, a self-ID packet is generated by the control portion5and transmits it through a dedicated PHY6.

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IEEE Standards Board; “IEEE Standard for a High Performance Serial Bus”; IEEE Standards Board; IEEE Std 1394-1995; Jul. 22, 1996; various pages.

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