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:
May. 11, 2010
Filed:
May. 09, 2006
Kazuya Furukawa, Osaka, JP;
Nobuo Higaki, Hyogo, JP;
Hideyo Tsuruta, Osaka, JP;
Kazushi Kurata, Osaka, JP;
Shigeki Fujii, Osaka, JP;
Kousuke Yoshioka, Osaka, JP;
Hiroyuki Morishita, Osaka, JP;
Kazuya Furukawa, Osaka, JP;
Nobuo Higaki, Hyogo, JP;
Hideyo Tsuruta, Osaka, JP;
Kazushi Kurata, Osaka, JP;
Shigeki Fujii, Osaka, JP;
Kousuke Yoshioka, Osaka, JP;
Hiroyuki Morishita, Osaka, JP;
Panasonic Corporation, Osaka, JP;
Abstract
A data transfer apparatus according to the present invention has; a DMAC and another DMAC which transfer data by direct memory access among a plurality of buses; a command queue which holds, as a queue, commands for instructing the data transfer; a bus information obtainment unit which obtains the commands from the command queue; a grouping unit which groups the held commands, based on a source and a destination designated in each of the obtained commands; a schedule unit which decides an order of issuing the commands sequentially from a group having more command, as a priority; and a selector which selects a command to be issued according to the decided order.