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:
Oct. 29, 2002
Filed:
Jun. 23, 2000
Applicant:
Inventors:
Yasushi Ueda, Ehime, JP;
Takahiro Watanabe, Ehime, JP;
Assignee:
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 1/200 ;
U.S. Cl.
CPC ...
G06F 1/200 ;
Abstract
In a signal processing apparatus having a memory and plural blocks for accessing the memory provided in an LSI, for the ease of cause analysis in the event of a fault, a trace control block is provided, and by setting from a microcomputer start and end of storing of access history from the required memory access block and content of storing are controlled, and a specified region of the memory is traced. In the event of a fault, by reading out the specific tracing region in the built-in memory from outside, the cause can be analyzed easily.