Is a
Patent attributes
Current Assignee
0
Patent Jurisdiction
Patent Number
Patent Inventor Names
Hiroaki Nakata0
Masakazu Ehama0
Koji Hosogi0
Kazuhiko Tanaka0
Date of Patent
February 13, 2007
0Patent Application Number
108018340
Date Filed
March 17, 2004
0Patent Primary Examiner
Patent abstract
Security threats are reduced by providing a TLB in a bus interface unit of a media processor whose contents can be updated only from inside the media processor. The TLB checks whether an address specified by an external access request falls within access-permitted areas registered in it. If it does, an access request from outside is passed on to an inside of the media processor; otherwise, it is rejected.
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