⭐ 欢迎来到虫虫下载站！ | 📦 资源下载 📁 资源专辑 ℹ️ 关于我们
⭐ 虫虫下载站
📤 上传资源

📄 42-scsiextd.htm

📁 关于单片机接口技术的文档
💻 HTM
📖 第 1 页 / 共 2 页
字号:
🔍
12 
<html>

<head>
<style>
<!--
A:link {text-decoration: none; color: #607f7f; font-family: 宋体}
A:visited {text-decoration: none; color: #607f7f; font-family: 宋体}
A:active {text-decoration: none; color: #607f7f; font-family: 宋体}
A:hover {text-decoration: underline; color: #0000FF}
body,table {font-size: 9pt; font-family: 宋体}
-->
</style>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>SCSI external (diff)</title>
</head>

<body bgcolor="#FFFFFF" background="back01.jpg" tppabs="http://linux.ustc.edu.cn/~xjiang/images/back01.jpg">
<p align="center"><strong><font size="5" color="#0000FF"><u>外置SCSI接口(差分信号方式)</u></font></strong></p>

<table border="0" width="100%" cellspacing="1" cellpadding="0" height="3">
  <tr>
    <td width="100%" align="center" height="26" bgcolor="#FFC8AA"><font color="#000080">[ <a target="_self" href="hardware.htm" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware.htm">返回目录</a> ]</font></td>
  </tr>
</table>

<p><font color="#008080">SCSI 是 Small Computer System Interface 的缩写，外置式 50 
针接口的外观为母插座：</font></p>

<p><img src="conn_cent50f.gif" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware/images/conn_cent50f.gif" alt="50 PIN CENTRONICS FEMALE" WIDTH="294" HEIGHT="73"></p>

<p><font color="#008080">连接电缆插头为 50 针公插头：<br>
</font><img src="conn_cent50m.gif" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware/images/conn_cent50m.gif" alt="50 PIN CENTRONICS MALE" WIDTH="294" HEIGHT="73"></p>

<table border="0" width="100%" cellspacing="0" cellpadding="0" height="24">
  <tr>
    <td width="100%" align="center" height="24" bgcolor="#C8C8FF"><font color="#000080">引脚定义</font></td>
  </tr>
</table>

<p>　</p>

<table border="1">
  <tr>
    <th bgcolor="#0000FF"><font color="#FFFF00">Pin</font></th>
    <th bgcolor="#0000FF"><font color="#FFFF00">Name</font></th>
    <th bgcolor="#0000FF"><font color="#FFFF00">Dir</font></th>
    <th bgcolor="#0000FF"><font color="#FFFF00">Description</font></th>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#0000FF">01</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">GND</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF"><img src="arrow.gif" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware/images/arrow.gif" alt="---" WIDTH="32" HEIGHT="9"></font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">Ground</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#0000FF">02</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">+DB0</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF"><img src="arrowlr.gif" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware/images/arrowlr.gif" alt="&lt;-&gt;" WIDTH="32" HEIGHT="9"></font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">+Data Bus 0</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#0000FF">03</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">+DB1</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF"><img src="arrowlr.gif" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware/images/arrowlr.gif" alt="&lt;-&gt;" WIDTH="32" HEIGHT="9"></font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">+Data Bus 1</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#0000FF">04</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">+DB2</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF"><img src="arrowlr.gif" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware/images/arrowlr.gif" alt="&lt;-&gt;" WIDTH="32" HEIGHT="9"></font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">+Data Bus 2</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#0000FF">05</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">+DB3</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF"><img src="arrowlr.gif" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware/images/arrowlr.gif" alt="&lt;-&gt;" WIDTH="32" HEIGHT="9"></font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">+Data Bus 3</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#0000FF">06</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">+DB4</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF"><img src="arrowlr.gif" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware/images/arrowlr.gif" alt="&lt;-&gt;" WIDTH="32" HEIGHT="9"></font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">+Data Bus 4</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#0000FF">07</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">+DB5</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF"><img src="arrowlr.gif" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware/images/arrowlr.gif" alt="&lt;-&gt;" WIDTH="32" HEIGHT="9"></font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">+Data Bus 5</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#0000FF">08</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">+DB6</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF"><img src="arrowlr.gif" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware/images/arrowlr.gif" alt="&lt;-&gt;" WIDTH="32" HEIGHT="9"></font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">+Data Bus 6</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#0000FF">09</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">+DB7</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF"><img src="arrowlr.gif" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware/images/arrowlr.gif" alt="&lt;-&gt;" WIDTH="32" HEIGHT="9"></font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">+Data Bus 7</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#0000FF">10</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">+DBP</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF"><img src="arrowlr.gif" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware/images/arrowlr.gif" alt="&lt;-&gt;" WIDTH="32" HEIGHT="9"></font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">+Data Bus Parity (odd Parity)</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#0000FF">11</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">DIFFSENS</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">?</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">???</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#0000FF">12</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">res</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">-</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">Reserved</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#0000FF">13</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">TERMPWR</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF"><img src="arrowlr.gif" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware/images/arrowlr.gif" alt="&lt;-&gt;" WIDTH="32" HEIGHT="9"></font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">Termination Power</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#0000FF">14</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">res</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">-</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">Reserved</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#0000FF">15</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">+ATN</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF"><img src="arrowl.gif" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware/images/arrowl.gif" alt="&lt;--" WIDTH="32" HEIGHT="9"></font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">+Attention</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#0000FF">16</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">GND</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF"><img src="arrow.gif" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware/images/arrow.gif" alt="---" WIDTH="32" HEIGHT="9"></font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">Ground</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#0000FF">17</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">+BSY</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF"><img src="arrowlr.gif" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware/images/arrowlr.gif" alt="&lt;-&gt;" WIDTH="32" HEIGHT="9"></font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">+Bus is busy</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#0000FF">18</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">+ACK</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF"><img src="arrowl.gif" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware/images/arrowl.gif" alt="&lt;--" WIDTH="32" HEIGHT="9"></font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">+Acknowledge</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#0000FF">19</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">+RST</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF"><img src="arrowlr.gif" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware/images/arrowlr.gif" alt="&lt;-&gt;" WIDTH="32" HEIGHT="9"></font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">+Reset</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#0000FF">20</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">+MSG</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF"><img src="arrowr.gif" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware/images/arrowr.gif" alt="--&gt;" WIDTH="32" HEIGHT="9"></font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">+Message</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#0000FF">21</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">+SEL</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF"><img src="arrowlr.gif" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware/images/arrowlr.gif" alt="&lt;-&gt;" WIDTH="32" HEIGHT="9"></font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">+Select</font></td>
  </tr>
  <tr>
    <td bgcolor="#C8C8FF"><font color="#0000FF">22</font></td>
    <td bgcolor="#C8C8FF"><font color="#0000FF">+C/D</font></td>
12

⌨️ 快捷键说明

复制代码 Ctrl + C
搜索代码 Ctrl + F
全屏模式 F11
切换主题 Ctrl + Shift + D
显示快捷键 ?
增大字号 Ctrl + =
减小字号 Ctrl + -