Microcomputer, electronic instrument, and flash memory protection method
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United States of America Patent
Stats
-
Nov 20, 2012
Grant Date -
Oct 16, 2008
app pub date -
Apr 9, 2008
filing date -
Apr 10, 2007
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
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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