| 摘要 |
<p>PURPOSE:To install an EP-ROM without minding its kind by judging exactly a kind of the EP-ROM, and outputting a signal corresponding to the respective EP-ROMs. CONSTITUTION:A CPU10 controls each element, and also judges which of two different kinds of EP-ROMs 4 is installed. As a result of this judgement, an analog switch 10 is controlled through an I/O element 2. The analog switch 10 selects a signal which is outputted to the EP-ROM4, and supplies an output corresponding to the respective EP-ROMs 4.</p> |
