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.

Date of Patent:
Mar. 08, 2011

Filed:

Aug. 26, 2008
Applicants:

Hidenori Sugai, Kawasaki, JP;

Hiroshi Tomonaga, Kawasaki, JP;

Satoshi Nemoto, Kawasaki, JP;

Inventors:

Hidenori Sugai, Kawasaki, JP;

Hiroshi Tomonaga, Kawasaki, JP;

Satoshi Nemoto, Kawasaki, JP;

Assignee:

Fujitsu Limited, Kawasaki, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 12/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A memory control device that can improve the speed of a memory interface. A packet disassembly section disassembles packet data into segments and detects packet quality information. A memory management section has an address management table and manages a state in which the packet data is stored according to the packet quality information. A segment/request information disassembler disassembles the segments into data by an access unit by which memories can be written/read, and generates write requests and read requests according to the access unit. A memory access controller avoids a bank access to which is prohibited because of a bank constraint, extracts a write request or a read request corresponding to an accessible bank from the write requests or the read requests generated, and gains write/read access to the memories.


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