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:
Apr. 26, 1977
Filed:
Sep. 17, 1975
Thomas H Bennett, Scottsdale, AZ (US);
Earl F Carlow, Scottsdale, AZ (US);
Edward C Hepworth, Apache Junction, AZ (US);
Wilbur L Mathys, Norristown, PA (US);
William D Mensch, Jr, Norristown, PA (US);
Rodney H Orgill, Norristown, PA (US);
Charles I Peddle, Norristown, PA (US);
Michael F Wiles, Phoenix, AZ (US);
Motorola, Inc., Chicago, IL (US);
Abstract
An interface adaptor suitable for use in a microprocessor system includes an input register coupled to a bidirectional data bus of the microprocessor system. The interface adaptor includes a plurality of registers, including a control register and a data register, coupled to the input register by means of an internal input bus. Each of the plurality of registers includes flip-flops which are coupled as slave flip-flops to corresponding flip-flops of the input register. The corresponding flip-flops of the input register function as master flip-flops. The interface adaptor also includes register selection logic circuitry for selecting one of the plurality of registers by electrically coupling its slave flip-flop to the corresponding master flip-flops of the input register.