| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a nonvolatile memory capable of preventing the availability of the memory from lowering and improving the reliability of storage information. <P>SOLUTION: A memory cell area MCA in the nonvolatile memory 10 is divided into two areas of 1st and 2nd memory cell areas MCA1 and MCA2 to provide a separately controllable mode and a simultaneously controllable mode so that contents of two blocks equal or different in the block number of a memory cell can be simultaneously updated. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
