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:
Aug. 29, 2023
Filed:
Feb. 24, 2022
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventor:
Keisuke Hashimoto, Chino, JP;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 13/36 (2006.01); G06F 13/362 (2006.01); G06F 13/42 (2006.01);
U.S. Cl.
CPC ...
G06F 13/362 (2013.01); G06F 13/4221 (2013.01);
Abstract
A circuit device includes a bus, a plurality of master circuits that are coupled to the bus and are bus masters in the bus, and a plurality of slave circuits that are coupled to the plurality of master circuits via the bus and are bus slaves in the bus. Access authority to the bus slaves is set for the plurality of master circuits, and permission setting of read access or write access from the bus masters is performed for the plurality of slave circuits. The plurality of master circuits determine whether the plurality of slave circuits are accessible based on the access authority and the permission setting.