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. 02, 2025
Filed:
May. 19, 2023
Applicant:
Stmicroelectronics (Grand Ouest) Sas, Le Mans, FR;
Inventor:
Vincent Berthelot, Saint Pavace, FR;
Assignee:
STMicroelectronics (Grand Ouest) SAS, Le Mans, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 21/57 (2013.01); G06F 21/60 (2013.01);
U.S. Cl.
CPC ...
G06F 21/575 (2013.01); G06F 21/604 (2013.01); G06F 2221/034 (2013.01);
Abstract
In an embodiment a method includes executing, during a first phase, one or more first codes stored in a first immutable zone of a non-volatile memory of an electronic device, forbidding, by an access control circuit of the non-volatile memory, execution of any codes stored in a second zone of the non-volatile memory during the first phase, executing, during a second phase, one or more second codes stored in the second zone and forbidding, by the access control circuit, any access to the first zone during the second phase.