The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 08, 1978
Filed:
Apr. 29, 1977
Applicant:
Inventors:
Edward C Hepworth, Apache Junction, AZ (US);
Rodney J Means, Tempe, AZ (US);
Assignee:
Motorola, Inc., Schaumburg, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
364200 ;
Abstract
An interface adaptor couples peripheral equipment to a bidirectional data bus and an address bus of a digital system. A plurality of interrupt sources are provided on such an interface adaptor circuit. A status bit in a status register of the interface adaptor is provided which contains a logical state indicative of a logical ORing of the plurality of interrupt sources on the interface adaptor circuit.