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:
Feb. 25, 1997
Filed:
Dec. 14, 1995
Applicant:
Inventors:
Hideo Matsui, Tokyo, JP;
Terunori Kubo, Tokyo, JP;
Assignee:
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F / ; H03B / ; H03K / ;
U.S. Cl.
CPC ...
331 74 ; 331158 ; 331173 ; 364D / ; 3642702 ;
Abstract
A harmonic of a resonance frequency of an oscillator, which occurs at the initial stage of the oscillation of the oscillator, is divided to obtain a pulse to be used as a clock for the operation of a microcomputer before the oscillation is stabilized. Thus, the invention provides a clock generation circuit and a microcomputer which shorten a time period required from the application of power or the clock halt state to the start of the operation of the microcomputer.