发明名称 |
SEMICONDUCTOR DEVICE WITH DOUBLE PROGRAM PROHIBITION CONTROL |
摘要 |
The present invention provides a semiconductor device and a method for controlling the semiconductor device, the semiconductor device including memory regions; program prohibition information units storing program prohibition information to be used for determining whether to prohibit or allow programming in the memory regions corresponding to the program prohibition information units; a first prohibition information control circuit that prohibits a change of the program prohibition information from a program prohibiting state with respect to a memory region based on first prohibition information; and a second prohibition information control circuit that prohibits a change of the program prohibition information from a program allowing state to a program prohibiting state with respect to the corresponding memory region based on second prohibition information with respect to the corresponding memory region.
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申请公布号 |
US2011173379(A1) |
申请公布日期 |
2011.07.14 |
申请号 |
US201113052486 |
申请日期 |
2011.03.21 |
申请人 |
SHIBATA KENJI;OKURA MASAHIKO;NAGAO MITSUHIRO |
发明人 |
SHIBATA KENJI;OKURA MASAHIKO;NAGAO MITSUHIRO |
分类号 |
G06F12/00 |
主分类号 |
G06F12/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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