Communication interconnection device with processing interrupt b

Details Communication interconnection device with processing interrupt b Communication interconnection device with processing interrupt b

1995-10-17

1998-03-03

Horabik, Michael

Communications: electrical

Continuously variable indicating

With meter reading

34082552, 3952008, 370439, 3642421, 3649411, 3649417, H04L 1256

Patent

active

057240299

ABSTRACT:
A communication control section is provided with a plurality of receiving channels (RXDA1 and RXDA2). An address separated by an address separating section constituting the RXDA1 is compared with a reference address denoting a token, and if the separated address corresponds thereto, an interruption is requested by an interruption processing section. An address separated by an address separating section constituting the RXDA2 is compared with a reference address denoting the station number of that particular station, and if the separated address corresponds thereto, the interruption is similarly requested. When the interruption has been requested, the processing of a CPU transfers from the processing of a main routine by a main routine processing section to an interruption processing by an interruption processing section.

REFERENCES:
patent: 4819229 (1989-04-01), Pritty et al.
patent: 4937815 (1990-06-01), Lighthart
patent: 5107456 (1992-04-01), Schuur
patent: 5276681 (1994-01-01), Tobagi et al.
patent: 5289469 (1994-02-01), Tanaka
"Token Ring Access Method and Physical Layer Specifications" ANSI/IEEE Standard 802.5, 1985, Mar. 1985 New York US pp. 27-30, 41.
"Token-Passing Bus Access Method and Physical Layer Specifications" ANSI/IEEE Standard 820.4, 1985, Dec. 1984, New York US, pp. 50-51, 88.

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