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:
Dec. 29, 2009
Filed:
Aug. 09, 2004
Sherman Lee, Rancho Palos Verdes, CA (US);
Vivian Y. Chou, Alhambra, CA (US);
John H. Lin, Downey, CA (US);
Sherman Lee, Rancho Palos Verdes, CA (US);
Vivian Y. Chou, Alhambra, CA (US);
John H. Lin, Downey, CA (US);
Broadcom Corporation, Irvine, CA (US);
Abstract
A microprocessor memory architecture including a read-only memory (ROM) with programmed microcode and a random access memory (RAM) capable of storing microcode and one or more data bits used for the selection of corresponding ROM or RAM microcode for execution. A multiplexer receives input signals from both the ROM microcode and RAM microcode, and a control signal which is one or more RAM data bits is used to select from the RAM or ROM microcode inputs for further execution by the microprocessor.