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. 15, 1989
Filed:
Mar. 26, 1987
Applicant:
Inventors:
Kazunori Kuriyama, Kokubunji, JP;
Yooichi Shintani, Kokubunji, JP;
Akira Yamaoka, Hachioji, JP;
Tohru Shonai, Kokubunji, JP;
Eiki Kamada, Hachioji, JP;
Kiyoshi Inoue, Tokyo, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
364200 ; 3642318 ; 3642613 ; 364263 ;
Abstract
A pipelined data processor comprises a circuit for storing two instructions in a pair of instruction registers, a circuit for detecting whether those instructions are a combination of an instruction requesting the use of an operation unit and an instruction requesting the use of another resource, and a circuit to control the execution of the instructions when the decision of the detection circuit is affirmative such that those instructions are executed by the operation unit and the resource in a plurality of stages.