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:
Nov. 09, 1993
Filed:
Sep. 17, 1991
Applicant:
Inventors:
David L Simpson, West Columbia, SC (US);
Thomas L Langford, II, Wichita, KS (US);
Assignee:
NCR Corporation, Dayton, OH (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11C / ; H04B / ; C06F / ;
U.S. Cl.
CPC ...
371 223 ; 371 225 ; 371 221 ; 324 731 ;
Abstract
A boundary-scan circuit method and apparatus for asserting an internal reset signal connected to core logic circuits of an electronic device in order to assure that testing will begin and end in a safe, known logic state. A safe end state is assured even if the system reset signal on an input pin of the electronic device is logically disconnected from the internal reset connection to the core logic, as often occurs in boundary-scan and related testing.