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. 02, 1999
Filed:
Oct. 31, 1997
Wayne Maurice Needham, Gilbert, AZ (US);
Intel Coporation, Santa Clara, CA (US);
Abstract
In one aspect of the present invention, an apparatus is provided for testing a processor running a software program. The apparatus includes a bus having control, data and address lines and a device assigned at least one address. The bus connects the device to the processor. The apparatus includes a multiple input signature register having a plurality of parallel input terminals connected to the data lines. The apparatus includes a control unit having first and second input terminals connected to the address and control lines respectively. The control unit is adapted to enabling the parallel input terminals of the multiple input signature register in response to detecting on the address and control lines at least one preselected triggering event executed by the software program to a preselected address of the device. The apparatus includes a signature comparator adapted to comparing a test signature number from the multiple input signature register to a reference signature number.