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. 23, 2018
Filed:
Oct. 01, 2015
Renesas Electronics Corporation, Tokyo, JP;
Sho Yamanaka, Kodaira, JP;
Toshiyuki Hiraki, Kodaira, JP;
Yoshihiko Hotta, Tokyo, JP;
Takahiro Irita, Tokyo, JP;
RENESAS ELECTRONICS CORPORATION, Tokyo, JP;
Abstract
A semiconductor device according to the present invention includes a plurality of masters (), a memory controller (), a bus that connects the plurality of masters () and the memory controller (), a QoS information register () that stores QoS information of the plurality of masters (), a right grant number controller () that calculates the number of grantable access rights based on space information of a buffer () of the memory controller (), a right grant selection controller () that selects the master () which will be granted the access right based on the QoS information of the QoS information register () and the number of grantable rights from the right grant number controller (), and a request issuing controller () that does not pass a request of the master () which has not been granted the access right from the right grant selection controller ().