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, 2015
Filed:
Jun. 06, 2012
Applicants:
Andrew Michael Jones, Bristol, GB;
Stuart Ryan, Bristol, GB;
Inventors:
Andrew Michael Jones, Bristol, GB;
Stuart Ryan, Bristol, GB;
Assignee:
STMicroelectronics (Research & Development) Limited, Marlow Bucks, GB;
Primary Examiner:
Int. Cl.
CPC ...
G06F 12/08 (2006.01); G06F 13/16 (2006.01);
U.S. Cl.
CPC ...
G06F 12/0891 (2013.01); G06F 13/1663 (2013.01); G06F 12/0815 (2013.01); G06F 12/0817 (2013.01);
Abstract
An arrangement includes a first part and a second part. The first part includes a memory controller for accessing a memory, at least one first cache memory and a first directory. The second part includes at least one second cache memory configured to request access to said memory. The first directory is configured to use a first coherency protocol for the at least one first cache memory and a second different coherency protocol for the at least one second memory.