| 摘要 |
PROBLEM TO BE SOLVED: To greatly reduce the power consumption of the whole device without any hindrance to the data processing of a main control part. SOLUTION: A DC-DC converting circuit 110 steps down or boosts the voltage applied from a main power source in an engine 102 to device groups according to the state of mode switching of the operation mode of a CPU 103 by ASIC 104 to a normal mode or power-saving mod. Then the ASIC 104 adjusts the timing of access to the device groups at a mode switching request to the CPU 103. |
