| 摘要 |
<p>PURPOSE:To prevent electric power from being uselessly consumed during the execution of data processing by forming or supplying clock signals only during the period of access to a resource and the execution of data processing CONSTITUTION:When bus use is permitted, a clock signal is generated and supplied to a data processing part, or an external clock signal is supplied to the data processing part, and at the time of completing data processing, the formation and supply of the clock signal is stopped, or the supply of the external clock signal is stopped. Power is supplied to the data processing part at the time of permitting bus use, and at the time of completing the data processing, power supply is stopped.</p> |
