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:
Dec. 02, 2003
Filed:
Jul. 28, 2000
Robert Neal Broberg, III, Rochester, MN (US);
Paul B. Kubista, West Concord, MN (US);
Daniel Frank Moertl, Rochester, MN (US);
Daniel Paul Wetzel, Rochester, MN (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
A transaction tracing circuit for use with a bus bridge that is couplable to at least a first and second bus. The transaction tracing circuit includes at least one set of trace control registers that is associated with a transaction tracing function for tracing a specific transaction occurring on the bus bridge. A number of bus transaction tracing circuits, one for each bus to which the bridge is connected, are coupled to the trace control registers and are utilized to store is transactions that are captured as they occur on the individual buses. An internal transaction tracing circuit is coupled to the trace control registers and is utilized for storing captured internal transaction information corresponding to the specific internal transaction.