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:
Dec. 20, 2011
Filed:
Mar. 21, 2011
Hideshi Nishida, Hyogo, JP;
Takeshi Furuta, Kyoto, JP;
Tetsuya Tanaka, Kyoto, JP;
Kozo Kimura, Osaka, JP;
Tokuzo Kiyohara, Osaka, JP;
Hideshi Nishida, Hyogo, JP;
Takeshi Furuta, Kyoto, JP;
Tetsuya Tanaka, Kyoto, JP;
Kozo Kimura, Osaka, JP;
Tokuzo Kiyohara, Osaka, JP;
Panasonic Corporation, Osaka, JP;
Abstract
An information processing apparatus performs switching between an exception handler and normal processing. The information processing apparatus includes a processor; a data processing unit that performs particular processing upon receiving a processing request from the processor; an interrupt controller that issues an interrupt request to the processor; and an exception control unit that controls the interrupt controller, wherein the data processing unit is connected with the exception control unit via a dedicated line. The data processing unit includes a notification unit that notifies, via the dedicated line, the exception control unit of status information indicating current status of the data processing unit, and based on the notified status information and setup information set by the processor, the exception control unit judges whether to cause the interrupt controller to issue an interrupt request to execute an exception handler to the processor.