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:
Jun. 10, 2008
Filed:
Sep. 26, 2003
Applicants:
Kohei Murayama, Tokyo, JP;
Takafumi Fujiwara, Tokyo, JP;
Inventors:
Kohei Murayama, Tokyo, JP;
Takafumi Fujiwara, Tokyo, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 3/00 (2006.01); G06F 13/00 (2006.01); G06F 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
In a bus, which is provided with a switch having a plurality of master ports and a plurality of slave ports and can connect each of the plurality of master ports to an arbitrary port of the plurality of slave ports, an address phase that issues an address and a command and a data phase that issues write data are separated, and an address phase of next transaction can be issued before the data phase is completed. This improves performance of a system, in which a plurality of master modules and slave modules are connected through the bus.