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:
Nov. 02, 2004
Filed:
Aug. 03, 2001
Applicant:
Inventors:
Kazuaki Kurooka, Tokyo, JP;
Teruaki Kanzaki, Tokyo, JP;
Assignee:
Renesas Technology Corp., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 1/100 ;
U.S. Cl.
CPC ...
G06F 1/100 ;
Abstract
A trace circuit includes the event control circuit and two trace buffer memories. The event control circuit receives data on a control bus, an address bus, and data a bus and stores the data cyclically and alternately in the two buffer memories. Also, the event control circuit makes the two buffer memories output the stored data cyclically and alternately.