Invention Grant
US08533429B2 Memory access control device, integrated circuit, memory access control method, and data processing device
有权
存储器访问控制装置，集成电路，存储器访问控制方法和数据处理装置
- Patent Title: Memory access control device, integrated circuit, memory access control method, and data processing device
- Patent Title (中): 存储器访问控制装置，集成电路，存储器访问控制方法和数据处理装置
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Application No.: US13060321Application Date: 2010-04-26
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Publication No.: US08533429B2Publication Date: 2013-09-10
- Inventor: Masaki Maeda , Yorihiko Wakayama , Koji Asai , Masahiro Ishii , Hiroshi Amano , Yoshinobu Hashimoto
- Applicant: Masaki Maeda , Yorihiko Wakayama , Koji Asai , Masahiro Ishii , Hiroshi Amano , Yoshinobu Hashimoto
- Applicant Address: JP Osaka
- Assignee: Panasonic Corporation
- Current Assignee: Panasonic Corporation
- Current Assignee Address: JP Osaka
- Agency: Wenderoth, Lind & Ponack, L.L.P.
- Priority: JP2009-149447 20090624
- International Application: PCT/JP2010/002974 WO 20100426
- International Announcement: WO2010/150451 WO 20101229
- Main IPC: G06F12/00
- IPC: G06F12/00
Abstract:
A memory access control unit is provided with a storage unit for storing a page table that stores a correspondence between a piece of data, a virtual page number, and a physical page number for all pages, and a conversion unit that includes a buffer for storing, for each of a subset of the pages, the virtual page number and the physical page number in correspondence, and a conversion processing unit operable to convert a virtual address into a physical address in accordance with content stored in the buffer.
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