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.

Date of Patent:
Oct. 26, 1999

Filed:

Jul. 02, 1996
Applicant:
Inventors:

Naoto Okumura, Tokyo, JP;

Katsumi Dosaka, Tokyo, JP;

Yukari Takata, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
710127 ; 710 66 ;
Abstract

A microcomputer comprises a processor, a memory and a buffer including a selector for changing a bus width, wherein a processor bus has a smaller width than that of a memory bus. The microcomputer further comprises a bus interface unit which has a selector for changing the bus width, and is used for inputting/outputting signals from/to the outside, and an external bus for connecting the bus interface unit and the outside, wherein the bus interface unit is connected to the memory via the memory bus, and the external bus has a smaller width than that of the memory bus. Still further the memory includes a plurality of memory regions, and the processor is disposed in a space of the memory regions.


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