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:
Jan. 06, 2009
Filed:
Aug. 30, 2005
Shankar Lakkapragada, San Jose, CA (US);
Jose M. Marquez, Mountain View, CA (US);
Mark Men Bon NG, Milpitas, CA (US);
Shankar Lakkapragada, San Jose, CA (US);
Jose M. Marquez, Mountain View, CA (US);
Mark Men Bon Ng, Milpitas, CA (US);
Xilinx, Inc., San Jose, CA (US);
Abstract
A method of employing memory cells of an integrated circuit is disclosed. The method comprises steps of storing configuration data in a plurality of memory cells of a memory of the integrated circuit; selecting unused memory cells of the memory of the integrated circuit for use as a scratchpad memory; providing access to the unused memory cells of the integrated circuit; and enabling use of the unused memory cell of the integrated circuit in a user mode as scratchpad memory. According to one embodiment of the invention, a plurality of input/output ports of the integrated circuit is coupled to a plurality of JTAG inputs coupled to the plurality of unused memory cells. A programmable logic device having memory cells for storing data, and a circuit employing a programmable logic device, are also disclosed.