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:
May. 24, 2011
Filed:
Jan. 29, 2010
Peter Logan Harrod, Cambridge, GB;
Edmond John Simon Ashfield, Cambridge, GB;
Thomas Sean Houlihane, Bassingbourn, GB;
Paul Kimelman, Alamo, CA (US);
Simon John Craske, Cambridge, GB;
Michael John Williams, Ely, GB;
Peter Logan Harrod, Cambridge, GB;
Edmond John Simon Ashfield, Cambridge, GB;
Thomas Sean Houlihane, Bassingbourn, GB;
Paul Kimelman, Alamo, CA (US);
Simon John Craske, Cambridge, GB;
Michael John Williams, Ely, GB;
ARM Limited, Cambridge, GB;
Abstract
A system is described having a JTAG diagnostic unit and a serial wire diagnostic unit. A watcher unit is connected to a data connection shared between the diagnostic units. Special patterns detected upon the shared data connection serve to switch between diagnostic modes with respective ones of the diagnostic units becoming active.