COMMUNICATION MULTIPLEXER HAVING AN APPARATUS FOR ESTABLISHING A SINGLE LINE PRIORITY

COMMUNICATION MULTIPLEXER HAVING AN APPARATUS FOR ESTABLISHING A SINGLE LINE PRIORITY

A data processing system includes a number of input/output devices coupled to a communication multiplexer by 1 synchronous communication line and a number of asynchronous communication lines. During the polling operation, receive communication lines have high priority and transmit communication line...

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Bibliographische Detailangaben
Hauptverfasser: YU, KIN C, KAOV, ANGELO D
Format: Patent
Sprache:eng ; fre
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRIC DIGITAL DATA PROCESSING
ELECTRICITY
PHYSICS
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Beschreibung
Zusammenfassung:A data processing system includes a number of input/output devices coupled to a communication multiplexer by 1 synchronous communication line and a number of asynchronous communication lines. During the polling operation, receive communication lines have high priority and transmit communication lines have low priority. Apparatus in the polling logic gives the synchronous communication line in the receive mode first priority and the synchronous communication line in the transmit mode second priority.