| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an electronic apparatus including a flash memory capable of preventing all past updated programs from being invalidated, by performing operation by an updating program just before the present one. <P>SOLUTION: The electronic apparatus includes the flash memory including two program storage areas and a specification information storage area for storing specification information of the program storage areas, wherein priority order is previously applied to the specification information, and at program starting, a program is read out from the program storage area specified by the specification information of the first priority and executed. The electronic apparatus includes an updating means which in program updating, updates a program in the program storage area specified by the specification information of the second priority, and after the updating, updates the first priority applied to the specification information to the second priority and updates the second priority to the first priority. <P>COPYRIGHT: (C)2011,JPO&INPIT |
