📄 pic42.htm
字号:
<html>
<head>
<title>PIC单片机原理</title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<style>
<!--
BODY {font-size:12px;font-family:宋体;}
td {font-size:12px;font-family:宋体;}
A:link { COLOR: #0000ff; TEXT-DECORATION: underline}
A:visited { COLOR:#0000ff; TEXT-DECORATION: underline}
A:active { COLOR:red! important; TEXT-DECORATION: underline}
A:hover { TEXT-DECORATION: none}
.b24 a:link { FONT-SIZE: 12px; COLOR:#0000ff; TEXT-DECORATION: underline}
.b24 a:visited {FONT-SIZE: 12px; COLOR:#0000ff; TEXT-DECORATION: underline}
.b24 a:active { FONT-SIZE: 12px; COLOR:#0000ff; TEXT-DECORATION: underline}
.b24 a:hover { FONT-SIZE: 12px; COLOR:#990000; TEXT-DECORATION: none}
.lh13 { LINE-HEIGHT: 130%}
.lh15 { LINE-HEIGHT: 150%}
.lh17 { LINE-HEIGHT: 170%}
.lh19 { LINE-HEIGHT: 190%}
.lh30 { LINE-HEIGHT: 300%}
-->
</style>
</head>
<body bgcolor="#FFFFFF" leftmargin="0" topmargin="0" >
<table width="778" border="0" cellspacing="0" cellpadding="0">
<tr align="center">
<td> </td>
</tr>
<tr align="center">
<td> <table width="700" border="0" cellspacing="0" cellpadding="0">
<tr>
<td width="41%" height="46" valign="top"><img src="logo.gif" width="205" height="41"></td>
<td height="46" width="59%" valign="bottom" align="right"> <table width="100%" border="0" cellspacing="0" cellpadding="0">
<tr>
<td align="right"><b><font style="font-size:16px" color="#990000">——
—— —— 技术资料下载中心</font></b> </td>
</tr>
<tr>
<td height="8"></td>
</tr>
</table></td>
</tr>
<tr>
<td height="1" colspan="2"></td>
</tr>
<tr bgcolor="#990000">
<td height="1" colspan="2"></td>
</tr>
<tr>
<td colspan="2"> </td>
</tr>
<tr>
<td colspan="2"><font style="font-size:16px" color="#000000"><b>>> <a href="index.htm">PIC单片机原理</a>
\</b></font></td>
</tr>
</table>
<table width="700" border="0" cellspacing="0" cellpadding="2">
<tr>
<td align="center"><font size="3"><b>PIC16C54<font face="宋体">单片机原理及应用</font></b><font face="宋体"></font></font></td>
</tr>
<tr>
<td> <p> </p></td>
</tr>
<tr valign="top">
<td height="300"> <table align="center" border="0" cellPadding="0" cellSpacing="0" width="100%">
<tbody>
<tr>
<td vAlign="top"> <p align="justify"><font size="2"><font face="宋体">
<span class="lh15"> 美国</span></font><span class="lh15">Microchip<font face="宋体">公司推出的</font>PIC<font face="宋体">系列</font>8<font face="宋体">位单片机是业界率先采用精简指令集计算机</font>(RISC-Reduced
Instruction Set Computer)<font face="宋体">结构，具有高性价比的嵌入式控制器。</font>PIC<font face="宋体">系列单片机具有高速度，低工作电压，较大的输入输出直接驱动能力（可直接驱动</font>LED<font face="宋体">负载），低价一次性编程</font>(OTP-One
Time Programmable)<font face="宋体">技术，低功耗，小体积等优点。</font></span></font></p>
<p align="justify"><font size="2"> PIC16C5X<font face="宋体">系列是</font>PIC<font face="宋体">系列的基础级产品，现在，介绍该系列的典型芯片</font>PIC16C54<font face="宋体">。</font></font></p>
<p align="justify"><font size="2"><font face="宋体">一、</font>PIC16C54<font face="宋体">概述：</font></font></p>
<p><font size="2">1)结构图：</font></p>
<table border="0" width="54%" cellpadding="0" cellspacing="1" bgcolor="#000000" align="center">
<tbody>
<tr bgcolor="#F5F5F5">
<td width="45%"><font size="2">程序存储器EPROM</font></td>
<td width="55%"><font size="2"> </font></td>
</tr>
<tr bgcolor="#FFFFFF">
<td width="45%"><font size="2">定时器</font></td>
<td width="55%"><font size="2">数据存储器RAM</font></td>
</tr>
<tr bgcolor="#FFFFFF">
<td width="45%"><font size="2">CPU</font></td>
<td width="55%"><font size="2">输入输出接口</font></td>
</tr>
</tbody>
</table>
<p align="center"><font size="2">图1</font></p>
<p align="justify"><font size="2"><span class="lh15">PIC16C54<font face="宋体">主要资源：<br>
</font></span></font><span class="lh15"><font size="2">*
512×12<font face="宋体">位</font>EPROM<br>
* 25<font face="宋体">字节通用</font>RAM<br>
* 12<font face="宋体">根双向</font>I<font face="宋体">／</font>O<font face="宋体">线<br>
</font>* TMR0<font face="宋体">定时器／计数器<br>
</font>* <font face="宋体">上电复位</font>POR<font face="宋体">电路<br>
⌨️ 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 + -