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:
Aug. 25, 1992

Filed:

Nov. 09, 1989
Applicant:
Inventors:

Itsuko Ishida, Itami, JP;

Masayuki Hata, Itami, JP;

Akira Yamada, Itami, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C / ; G06F / ; G06F / ;
U.S. Cl.
CPC ...
395425 ; 365 49 ;
Abstract

In a data processor, when there is any cache memory not being activated after the whole data processor has been activated, a signal is delivered to a bus driver and then a data processing unit is connected to a system bus. During the period from when the whole data processor has been activated to when all the cache memories start to be activated, the data processing unit is connected to the system bus so that data can be transmitted/received between the data processing unit and peripheral devices.


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