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:
Aug. 07, 2001
Filed:
Apr. 14, 1997
Applicant:
Inventors:
Wendell L. Little, Denton, TX (US);
Stephen M. Curry, Dallas, TX (US);
Donald W. Loomis, Coppell, TX (US);
Assignee:
Dallas Semiconductor Corporation, Dallas, TX (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 9/32 ; H04L 9/00 ; H04L 1/702 ;
U.S. Cl.
CPC ...
H04L 9/32 ; H04L 9/00 ; H04L 1/702 ;
Abstract
A microcontroller communicating via a data path and an address path with a memory block containing encrypted contents, the microcontroller including the capability for detecting resets effectuated in the wake of an unauthorized attempt to gain access to the encrypted contents and the capability of evading such an unauthorized attempt.