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:
Mar. 09, 2004
Filed:
Apr. 19, 2000
Applicant:
Inventor:
Shohei Maeda, Tokyo, JP;
Assignee:
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 3/128 ;
U.S. Cl.
CPC ...
G01R 3/128 ;
Abstract
An internal bus information getting method can get information output onto an internal bus to facilitate detection of a malfunction position in a storage element stored in a microcomputer during execution of a user program. The method includes first, setting a target address specifying a memory access that is expected to cause the built-in storage element to malfunction to a register, by executing an interruption handling program. Next, information output onto the internal bus is latched and held in response to a match between an address output onto the internal bus and the target address set to the register. The latched and held information is then read.