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:
Feb. 27, 2007
Filed:
Jun. 02, 2005
Tadashi Teranuma, Kodaira, JP;
Hironobu Hasegawa, Koganei, JP;
Kunihiko Nishiyama, Nakano, JP;
Yoshihiko Tsuchihashi, Kodaira, JP;
Tadashi Teranuma, Kodaira, JP;
Hironobu Hasegawa, Koganei, JP;
Kunihiko Nishiyama, Nakano, JP;
Yoshihiko Tsuchihashi, Kodaira, JP;
Renesas Technology Corp., Tokyo, JP;
Abstract
A data processor has a first bus master module, first bus slave module and first bus right arbitrating circuit connected to a first bus, a second bus master module, second bus slave module and second bus right arbitrating circuit connected to a second bus, and a bus bridge circuit connecting the first and second buses. The bus bridge circuit has a first transfer controller, responsive to an access request from the first bus to the second bus, for obtaining a bus right of the second bus, and a second transfer controller, responsive to an access request from the second bus to the first bus, for obtaining a bus right of the first bus. The second bus has a first path connecting the second bus slave module and the first transfer controller and a second path connecting the second bus master module and the second transfer controller.