| 摘要 |
<p>The power control circuit is for preventing the abnormal state caused at the power on or off. When the power is turned on, a system controller (4) stabilizes and resets a peripheral distribution circuit (6) and an I/O circuit (7), then the I/O circuit isoperated in normal state. When the power is turned off, the system controller stops the operation after informing the power out to the peripheral circuit in advance, then the power is turned off.</p> |
