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:
Jun. 16, 1998
Filed:
Aug. 28, 1996
Robert P Battaline, Essex Junction, VT (US);
James R Robinson, Essex Junction, VT (US);
Edward H Welbon, Austin, TX (US);
Ralph J Williams, Essex Junction, VT (US);
International Business Machines Corp., Armonk, NY (US);
Abstract
Disclosed is a system and method of providing performance analysis on integrated circuit devices and systems using an IEEE JTAG 1149.1 interface. An integrated circuit device is described that includes an execution control register for receiving a control code from an external device via the JTAG interface, a means for selecting and coupling to one or more specific logic circuits on the device, one or more counters for recording specific events occurring on the logic circuits, and a counter register for managing the counter data and outputting it via the JTAG interface.