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:
Sep. 03, 2002
Filed:
May. 19, 1999
David Vivian Jaggar, Austin, TX (US);
William Adam Hohl, Pflugerville, TX (US);
ARM Limited, Cambridge, GB;
Abstract
Apparatus for processing data is provided, said apparatus comprising: a main processor responsive to main processor instructions within a stream of instructions input to said main processor to perform main processor operations; a coprocessor coupled to said main processor via a coprocessor interface CP and responsive to coprocessor instructions MCR, MRC within said stream of instructions to perform coprocessor operations; wherein said coprocessor is a debug coprocessor operable to at least partially control generation of diagnostic data for debugging said apparatus for processing data and said coprocessor instructions are debug coprocessor instructions that control operation of said debug coprocessor. Using a debug mechanism in the form of a debug coprocessor reduces the impact of the debug mechanism upon normal operation.