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. 25, 1995
Filed:
Nov. 22, 1991
Applicant:
Inventors:
Shigeki Masumura, Kodaira, JP;
Tatsuya Aizawa, Ome, JP;
Kazuo Naito, Fuchu, JP;
Yoshiyuki Miwa, Kawasaki, JP;
Hideo Nakamura, Nishitama, JP;
Terumi Sawase, Hanno, JP;
Yasushi Akao, Kokubunji, JP;
Assignees:
Hitachi, Ltd., Tokyo, JP;
Hitachi VLSI Engineering Corporation, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
395800 ; 395425 ; 36518901 ; 36518904 ; 3649255 ; 3649278 ; 3649256 ; 3649659 ; 364D / ; 3642328 ; 3642448 ;
Abstract
A single-chip microcomputer includes a microprocessor, a subprocessor for performing peripheral functions, an external port for controlling an input/output operation from/to an external device and a multi-functional logic-in-memory for inputting a plurality of data from at least one of the microprocessor, the subprocessor and the external port and selecting write data from among the plurality of data in accordance with predetermined priorities.