| 摘要 |
<p>PURPOSE:To dispense with the oscillating circuit and oscillator of a front panel controller (FPC) by supplying the system clock of the FPC from a microcomputer. CONSTITUTION:When a microcomputer 100 is operated by the system clock generated by an oscillator and oscillating circuit 102, the clock is supplied through a frequency-divider 103 also to an FPC 104. When the FPC 104 is a 1-chip microcomputer, etc., an action is executed in making the clock supplied from a microcomputer 1 into the system clock, and a display 105 and a key input part 106 are operated. By enlarging the frequency-dividing ratio of the frequency-divider 103, a low-speed FPC can be corresponded to. Thus, the oscillating circuit and oscillator of the FPC can be made unnecessary.</p> |
