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:
Feb. 24, 2009
Filed:
Nov. 30, 2005
Thomas Sean Houlihane, Bassingbourn, GB;
George James Milne, Rampton, GB;
Thomas Sean Houlihane, Bassingbourn, GB;
George James Milne, Rampton, GB;
ARM Limited, Cambridge, GB;
Abstract
An integrated circuitincluding functional circuitsand a diagnostic circuitpasses a functional signal and a diagnostic signal to/from the integrated circuit using a shared integrated circuit pin. The functional signal and the diagnostic signal have relative forms such that they can be simultaneously communicated and respective independent physical communication channels provided therefore. Examples are the diagnostic signal being used to frequency, phase, amplitude or otherwise modulate a functional signal being passed. A diagnostic interface circuitis provided to recover the diagnostic signal from the combined functional and diagnostic signal or to combine the functional and diagnostic signals.