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:
Oct. 24, 2023

Filed:

Apr. 04, 2022
Applicant:

Ambarella International Lp, Santa Clara, CA (US);

Inventors:

Praveen Jaini, Sunnyvale, CA (US);

Hsin-Wu Hsu, Santa Clara, CA (US);

Hejia Yan, Sunnyvale, CA (US);

Assignee:

Ambarella International LP, Santa Clara, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 31/317 (2006.01); G01R 31/3185 (2006.01);
U.S. Cl.
CPC ...
G01R 31/31724 (2013.01); G01R 31/317 (2013.01); G01R 31/31701 (2013.01); G01R 31/31721 (2013.01); G01R 31/318555 (2013.01);
Abstract

An apparatus comprising a battery and a circuit. The battery may be configured to provide a persistent power source. The circuit may comprise a processor, self-test logic, internal storage and logic circuitry. The self-test logic may be configured to perform a status check to determine an operating status of the logic circuitry. The processor may be configured to enable a first portion of the status check to be performed during a shutdown of the apparatus and a second portion of the status check to be performed during a bootup of the apparatus. The battery may provide the persistent power source to the internal storage after the shutdown of the apparatus. Parameters generated during the first portion may be stored in the internal storage. The parameters stored in the internal storage may be used with the second portion to determine the operating status of the logic circuitry.


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