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:
Jul. 22, 2003
Filed:
Oct. 01, 1999
Gilbert Laurenti, Saint Paul de Vence, FR;
Walter A. Jackson, Pittsburgh, PA (US);
Jack Rosenzweig, Pittsburgh, PA (US);
Texas Instruments Incorporated, Dallas, TX (US);
Abstract
A processor ( ) is provided that is a programmable digital signal processor (DSP) with variable instruction length. A user stack region ( ) is used to pass variables to a subroutine and to hold values representative of a first portion of a program counter ( ). A system stack region ( ) is used to hold values representative of a remaining portion of the program counter ( ) and to hold additional context information. The user stack region and the system stack region are managed independently so that software from a prior generation processor can be translated to run on processor ( ).