发明授权
- 专利标题： Microcomputer, electronic instrument, and flash memory protection method
- 专利标题（中）： 微电脑，电子仪器和闪存保护方法
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申请号： US12099988申请日： 2008-04-09
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公开(公告)号： US08316200B2公开(公告)日： 2012-11-20
- 发明人: Hiroki Matsuoka , Keisuke Hashimoto
- 申请人： Hiroki Matsuoka , Keisuke Hashimoto
- 申请人地址： JP
- 专利权人： Seiko Epson Corporation
- 当前专利权人： Seiko Epson Corporation
- 当前专利权人地址： JP
- 代理机构： Harness, Dickey & Pierce, P.L.C.
- 优先权： JP2007-103063 20070410
- 主分类号： G06F12/14
- IPC分类号： G06F12/14 ; G06F13/14
摘要：
A microcomputer includes a flash memory and a flash controller that controls access to the flash memory, the flash memory including a protection information storage section that stores protection information, the protection information indicating whether or not access to a given area of the flash memory is available; the flash controller including a flash protection section that performs a protection process relating to access to a given area of the flash memory based on the protection information; and the flash protection section performing the protection process relating to access to the flash memory when an access target is data.
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