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:
Aug. 09, 2011
Filed:
Jun. 27, 2008
Joseph Julicher, Maricopa, AZ (US);
Zacharias Marthinus Smit, Chandler, AZ (US);
Sean Steedman, Phoenix, AZ (US);
Vivien Delport, Chandler, AZ (US);
Jerrold S. Zdenek, Maricopa, AZ (US);
Ryan Scott Ellison, Chandler, AZ (US);
Eric Schroeder, Gahanna, OH (US);
Joseph Julicher, Maricopa, AZ (US);
Zacharias Marthinus Smit, Chandler, AZ (US);
Sean Steedman, Phoenix, AZ (US);
Vivien Delport, Chandler, AZ (US);
Jerrold S. Zdenek, Maricopa, AZ (US);
Ryan Scott Ellison, Chandler, AZ (US);
Eric Schroeder, Gahanna, OH (US);
Microchip Technology Incorporated, Chandler, AZ (US);
Abstract
An n-bit microprocessor device has an n-bit central processing unit (CPU); a plurality of special function registers and general purpose registers which are memory-mapped to a plurality of banks, with at least two 16-bit indirect memory address registers which are accessible by the CPU across all banks; a bank access unit for coupling the CPU with one of the plurality of banks; a data memory coupled with the CPU; and a program memory coupled with the CPU, wherein the indirect address registers are operable to access the data memory or program memory and wherein a bit in each of the indirect memory address registers indicates an access to the data memory or to the program memory.