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. 22, 2014
Filed:
Jul. 27, 2010
Yuki Kondoh, Hino, JP;
Tohru Nojiri, Tokyo, JP;
Yuki Kondoh, Hino, JP;
Tohru Nojiri, Tokyo, JP;
Renesas Electronics Corporation, Kawasaki-shi, JP;
Abstract
The data processor can form a system including a combination of two or more operating systems running in parallel, which achieves a higher data transfer rate between operating systems and the increase in system performance without impairing the system reliability. In the system, data transfer between domains is performed in an enhanced access mode as well as an access mode in which an access from a domain manager having control of domains is handled as one from the domain manager. The enhanced access mode is arranged by enhancing, to a CPU scale, an access mode in which an access from the domain manager is treated as an access from a software program working on a domain, and the software program of domain manager transfers data between the domains. For example, in case that the domain manager performs data transfer between domains in the enhanced access mode, a read access from the domain manager is disguised as a read access from a first domain, and a write access from the domain manager is disguised as a write access from a second domain.