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:
Nov. 30, 2021
Filed:
Nov. 13, 2018
Applicant:
Renesas Electronics Corporation, Tokyo, JP;
Inventors:
Assignee:
RENESAS ELECTRONICS CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 13/00 (2006.01); G06F 13/362 (2006.01); G06F 13/40 (2006.01); G06F 13/16 (2006.01); G06F 12/0831 (2016.01); G06F 12/084 (2016.01);
U.S. Cl.
CPC ...
G06F 13/362 (2013.01); G06F 12/084 (2013.01); G06F 12/0835 (2013.01); G06F 13/1605 (2013.01); G06F 13/1663 (2013.01); G06F 13/1673 (2013.01); G06F 13/4068 (2013.01);
Abstract
Each master issues an access request including a read request and a write request to a memory. A cache caches the write request issued by the master. A central bus control system performs access control for the read request issued by each master and the write request output by the cache. A central bus control system performs access control for the write request issued by each master. The central bus control system performs access control in accordance with a free situation of a buffer of a memory controller. The central bus control system performs access control in accordance with a free situation of the cache.