| 摘要 |
<P>PROBLEM TO BE SOLVED: To reduce manufacturing costs and to smoothly rewrite inherent information in an electronic apparatus in which an electronic apparatus body is controlled in accordance with a program stored in a flash memory of a microcontroller. <P>SOLUTION: An inherent information group is written beforehand from an external computer 4 to an inherent information region 7 in a flash memory 5. The inherent information group is e.g., a standard parameter group used for synthesizer circuitry 2 and a temporary number of a frequency synthesizer 1. A readout region 81 having the same capacity as the inherent information region 7 is allocated to a RAM 8 of a microcontroller 3 and when powered on, the inherent information group is read from the inherent information region 7 to the readout region 81. In accordance with an instruction from the external computer 4, a part of the inherent information group is rewritten, thereafter, the inherent information group in the inherent information region 7 is erased collectively, and the inherent information group in the readout region 81 is then written collectively into the inherent information region 7. <P>COPYRIGHT: (C)2013,JPO&INPIT |
