| 摘要 |
After power-on, the start-up of a CPU 112 is suppressed by a microcomputer start-up suppressing/DMA start-up controlling device 101. Before the start-up of the CPU 112 , a program read by a memory card I/F 103 is written in a writable ROM 105 by a DMA controlling device 102. After the start-up of the CPU 112, the CPU 112 executes the program written in the writable ROM 105.
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