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:
Apr. 27, 1999
Filed:
Dec. 17, 1996
Naohisa Tashima, Hyogo, JP;
Mitsubishi Electric Semiconductor Software, Hyogo, JP;
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Abstract
A data tracing apparatus includes a data storing unit having a first area and a second area, for storing data corresponding to a predetermined number of bus cycles, a data writing/reading controlling unit for writing data alternatively to the first area and the second area for each of the predetermined number of bus cycles and for reading data stored in an area which is not subject to writing and within first area and the second area, reading being faster than writing, a dynamic memory for successively storing data read from the data storing unit by the data writing/reading controlling unit, and a refreshing unit for refreshing the dynamic memory after reading by the data writing/reading controlling unit.