System and method for controlling communications between subsystems
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United States of America Patent
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Nov 2, 1999
Grant Date -
N/A
app pub date -
Apr 14, 1997
filing date -
Apr 14, 1997
priority date (Note) -
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Abstract
A communication control system provides dynamic centralized control of subsystem communications. In a preferred embodiment, a dedicated subsystem communications coordinator is coupled to a main control bus which is utilized for subsystem communication. The coordinator is further coupled to each subsystem for enabling subsystem communication. The coordinator preferably assigns each pending communication a time-based transfer-window channel designation which, while asserted on the control lines of the main control bus, signals corresponding enabled subsystems to transfer data. The coordinator further preferably monitors all subsystem communications for limiting message length and for continuously determining the most effective main control bus utilization according to current system-wide communications needs.
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