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:
Dec. 01, 2020
Filed:
Jun. 26, 2019
Huawei Technologies Co., Ltd., Guangdong, CN;
Shilin Pan, Shanghai, CN;
Huawei Technologies Co., Ltd., Shenzhen, CN;
Abstract
A system on chip is integrated in a first semiconductor chip, and includes a secure element and at least one central processing unit that is coupled to the secure element. Security isolation exists between the secure element and the at least one central processing unit. The at least one central processing unit is configured to communicate with the secure element. The secure element includes a secure processor and a first memory that is coupled to the secure processor. The secure processor can suspend running first secure operating system software and further start second secure operating system software, to implement switching between multiple pieces of secure operating system software. Running data of running secure operating system software is stored in the first memory, and running data of secure operating system software that is not run is stored in a second memory outside the system on chip.