Serial device daisy chaining method and apparatus

Electrical computers and digital data processing systems: input/ – Intrasystem connection – Bus access regulation

Reexamination Certificate

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Details

C710S043000, C710S115000, C710S122000, C710S104000, C370S404000, C370S405000, C370S406000

Reexamination Certificate

active

06928501

ABSTRACT:
Methods and apparatus associated with a plurality of serial devices designed to communicate with a bus master in either a daisy chain or a normal configuration are provided. One method includes the step of serially providing a command sequence having a channel identifier to a given device of a plurality of daisy chained devices. The channel identifier is modified as it passes thru each daisy chained device. A specific device is identified or enabled when the channel identifier it receives matches a pre-determined value.

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