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:
Jan. 19, 1988
Filed:
Apr. 25, 1986
Applicant:
Inventors:
Noboru Yamaguchi, Higashiyamato, JP;
Kunio Uchiyama, Pittsburgh, PA (US);
Haruo Koizumi, Tokyo, JP;
Yoshimune Hagiwara, Hachioji, JP;
Tadahiko Nishimukai, Sagamihara, JP;
Assignee:
Hitachi, Ltd., , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
364900 ;
Abstract
Herein disclosed is a method of controlling a microprocessor in accordance with the present invention characterized in that, when the microprocessor for executing a microprogram in accordance with clock cycles .PHI..sub.1 and .PHI..sub.2 receives a command (i.e., STOP signal) for stopping a normal operation from the outside, a freezing signal (i.e., FRZ signal) synchronizing with the clock cycles is generated to bring the operation being executed into a stopped state.