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:
Jul. 19, 2022
Filed:
Oct. 20, 2020
Applicant:
Microchip Technology Inc., Chandler, AZ (US);
Inventor:
Pierre Selwan, Fremont, CA (US);
Assignee:
Microchip Technology Inc., Chandler, AZ (US);
Primary Examiner:
Int. Cl.
CPC ...
G06F 9/30 (2018.01); G06F 9/38 (2018.01); G06F 30/398 (2020.01); G06F 13/20 (2006.01); G06F 9/52 (2006.01);
U.S. Cl.
CPC ...
G06F 9/3836 (2013.01); G06F 9/52 (2013.01); G06F 13/20 (2013.01);
Abstract
A system and method for monitoring processors operating in lockstep to detect mismatches in pending pipelined instructions being executed by the processors. A lockstep monitor implemented in hardware is provided to detect the mismatches in the pending pipelined instructions executing on the lockstep processors and to initiate an auto-recovery operation at the processors if a mismatch is detected.