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.

Date of Patent:
Mar. 29, 2022

Filed:

Jun. 14, 2019
Applicant:

Infineon Technologies Ag, Neubiberg, DE;

Inventors:

Albrecht Mayer, Deisenhofen, DE;

Glenn Ashley Farrall, Long Ashton, GB;

Frank Hellwig, Wunstorf, DE;

Assignee:

Infineon Technologies AG, Neubiberg, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 21/74 (2013.01);
U.S. Cl.
CPC ...
G06F 21/74 (2013.01); G06F 2221/2149 (2013.01);
Abstract

A System on Chip (SoC), including a plurality of processor cores including a secure master, which is configured to run security software, and a non-secure master, which is configured to run non-security software; a resource configured to be shared by the secure master and the non-secure master; and a state machine configured to protect the resource by allowing only the secure master to transition the resource to a particular state of the state machine, and allowing only the non-secure master to transition the resource to another particular state of the state machine.


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