| 摘要 |
PROBLEM TO BE SOLVED: To provide an automobile electronic controller capable of utilizing effectively a memory capacity of a flash memory, and capable of storing efficiently data. SOLUTION: The data in an area with the data already written are brought into the same value, or into a condition rewritten as FFh, when the data are written into the flash memory, and the writing of the data by the same writing start address is performed more than once. The data (for example, 1 byte data) having a size smaller than the minimum writing size (for example, 128 bytes) is thereby stored densely in the writing area. COPYRIGHT: (C)2008,JPO&INPIT
|
