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. 16, 2016
Filed:
Apr. 03, 2015
Renesas Electronics Corporation, Kawasaki-shi, JP;
Rika Ono, Kawasaki, JP;
Hitoshi Suzuki, Kawasaki, JP;
Renesas Electronics Corporation, Kawasaki-shi, Kanagawa, JP;
Abstract
A microcomputer including a CPU, a plurality of protection information storages configured to store memory protection information specifying an access permission state or access prohibited state to a memory space by a program executed by the CPU, a memory access control apparatus configured to determine whether or not to allow a memory access request from the CPU according to the memory protection information, and a reset apparatus configured to output a reset signal to the plurality of protection information storages according to a reset request output from the CPU according to a switching of programs executed by the CPU. Each of the plurality of protection information storages is set to a second memory protection state according to the reset signal from a first memory protection state.