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:
Jul. 27, 1999
Filed:
Dec. 16, 1994
Applicant:
Inventors:
Tsunenori Umeki, Hyogo-ken, JP;
Hirohiko Inoue, Hyogo-ken, JP;
Assignee:
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
712205 ; 712 38 ; 711138 ;
Abstract
A memory access method in a microcomputer for a CPU to fetch an instruction code from a memory when an instruction queue buffer does not contain the instruction code, comprising the steps of fetching the instruction code from a high-speed memory directly to the CPU, if the instruction code is in the high speed memory, or fetching the instruction code from a low-speed memory to the instruction queue buffer, if the instruction code is in the low-speed memory, then fetching the instruction code from the instruction queue buffer to the CPU.