| 摘要 |
<p>PURPOSE:To make it possible to use an A/D converter for another application. CONSTITUTION:To (n) output ports P0-Pn, input nodes N1-Nn of key matrix section 3 are connected via resistors R0-Rn of interface section 2, and interface node 2 is connected to the input terminal AD of A/D converter for a microcomputer.</p> |
