自制at89s51编程器教程.htm

AT89S51芯片的日渐流行

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<p class=MsoNormal style='layout-grid-mode:char'><span style='font-family:宋体;
mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>只要焊</span><span
lang=EN-US>13</span><span style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>根线就可以搞<span class=GramE>定这个</span>电路。基本原理：</span><span
lang=EN-US>RST</span><span class=GramE><span style='font-family:宋体;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>置高电平</span></span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>，然后向单片机串行发送</span></p>

<p class=MsoNormal style='layout-grid-mode:char'><span style='font-family:宋体;
mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>编程命令。</span><span
lang=EN-US>P1.7(SCK)</span><span style='font-family:宋体;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>输入移位脉冲，</span><span
lang=EN-US>P1.6(MISO)</span><span style='font-family:宋体;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>串行输出，</span><span
lang=EN-US>P1.5(MOSI)</span><span style='font-family:宋体;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>串行输入</span><span
style='mso-bidi-font-size:10.5pt;font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>（要了解详细编程原理可以去看</span><span lang=EN-US
style='mso-bidi-font-size:10.5pt'>AT89S51</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>的数据手册）</span><span style='font-family:宋体;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>。使用<span
class=GramE>并口发出</span>控制信号，</span><span lang=EN-US>74373</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>只是用于信号转换，因为<span class=GramE>并口直接</span>输出高电平的电压有点没到位，使用其他芯片也可以，还有人提出直接<span
class=GramE>接</span>电阻。<span class=GramE>并口引脚</span></span><span lang=EN-US>1</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>控制</span><span lang=EN-US>P1.7</span><span style='font-family:
宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>，引脚</span><span
lang=EN-US>14</span><span style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>控制</span><span lang=EN-US>P1.5</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>，引脚</span><span lang=EN-US>15</span><span style='font-family:
宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>读</span><span
lang=EN-US>P1.6</span><span style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>，引脚</span><span lang=EN-US>16</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>控制</span><span lang=EN-US>RST</span><span style='font-family:
宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>，引脚</span><span
lang=EN-US>17</span><span style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>接</span><span lang=EN-US>74373 LE</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>（锁存允许），</span><span lang=EN-US>18-25</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>这些引脚都可以接地。建议在你的单片机系统板上做个</span><span lang=EN-US>6</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>芯的接口。注意：被烧写的单片机一定是最小系统（单片机已经接好电源，晶振，可以运行），</span><span
lang=EN-US>VCC</span><span style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>，</span><span lang=EN-US>GND</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>是给</span><span lang=EN-US>74373</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>提供电源的。</span></p>

<p class=MsoNormal style='layout-grid-mode:char'><span lang=EN-US><o:p>&nbsp;</o:p></span></p>

<p class=MsoNormal style='text-indent:21.0pt;layout-grid-mode:char'><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>还有一个方案：使用串口</span><span lang=EN-US>+</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>单片机，这个方案已经用了半年了。电路稍微麻烦一点，速度比较快，而且可以烧</span><span lang=EN-US>AT89C51</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>等等。其实许多器件编程原理差不多，由于我没太多时间研究器件手册，更没有</span><span lang=EN-US>MONEY</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>买一堆芯片来测试，所以只实现了几个最常用单片机编程功能（</span><span lang=EN-US>AT89C51</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>，</span><span lang=EN-US>C52</span><span style='font-family:
宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>，</span><span
lang=EN-US>C55</span><span style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>，</span><span lang=EN-US>AT89S51</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>，</span><span lang=EN-US>S52</span><span style='font-family:
宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>，</span><span
lang=EN-US>S53</span><span style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>）。如果要烧写其他单片机，你可以直接编写底层控制子程序（例如，写一个单元，读一个单元，擦除</span><span
lang=EN-US>ROM</span><span style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>的子程序）。如果有需要，我可以在器件选择<span class=GramE>栏提供</span>一个“</span><span
lang=EN-US>X-CHIP</span><span style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>”的选择，“</span><span lang=EN-US>X-CHIP</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>”的编程细节将由用户自己去实现。当你仔细阅读器件手册后，会发现实现这些子程序其实好容易，这也是初学者学单片机编程的好课题。如果成功了会极大的提高你学单片机的积极性。</span></p>

<p class=MsoNormal style='text-indent:21.0pt;layout-grid-mode:char'><span
lang=EN-US><o:p>&nbsp;</o:p></span></p>

<p class=MsoNormal style='layout-grid-mode:char'><span style='font-family:宋体;
mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>软件：</span></p>

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<p class=MsoNormal style='layout-grid-mode:char'><span style='font-family:宋体;
mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>这个软件的通信，控制部分早在半年前就完成了，这回只是换了个界面和<span
class=GramE>加入并口下载</span>线的功能，希望你看到这个软件不会想吐。使用<span class=GramE>很简当</span>，有一点特别，当你用鼠标右键点击按钮后，可以把相关操作设置为自动模式（只有打开文件，擦除芯片，写</span><span
lang=EN-US>FLASH ROM</span><span style='font-family:宋体;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>，读</span><span
lang=EN-US>FLASH ROM</span><span style='font-family:宋体;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>，效验数据</span> <span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>可以设置），点击‘自动完成’后会依次完成这些操作，并在开始时检测芯片。当“打开文件”设为自动后，第</span><span
lang=EN-US>2</span><span style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>次<span class=GramE>烧写同</span>一个文件时不必再去打开文件，软件会自动刷新缓冲。软件在</span><span
lang=EN-US>WIN XP</span><span style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>，</span><span lang=EN-US>WIN 2000</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>可以使用（管理员登陆的），在</span><span lang=EN-US>WIN 98 </span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>，</span><span lang=EN-US>WIN ME</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>使用<span class=GramE>并口模式</span>时会更快些。这个软件同时支持串口编程器和<span
class=GramE>并</span>口下载线。操作正常结束后会有声音提示。如果没有声卡<span class=GramE>或声卡烂</span>了，则声音会从机箱扬声器中发出。注意：记得在</span><span
lang=EN-US>CMOS</span><span style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>设置中<span class=GramE>把并口</span>设为</span><span
lang=EN-US>ECP</span><span style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>模式。</span></p>

<p class=MsoNormal style='layout-grid-mode:char'><span lang=EN-US><o:p>&nbsp;</o:p></span></p>

<p class=MsoNormal style='text-indent:21.0pt;layout-grid-mode:char'><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>就这些东西，应该够详细吧，还有什么问题或遇到什么困难可以联系我</span><span lang=EN-US>,</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>软件出现什么问题一定要通知我修正。祝你一次就搞定。</span></p>

<p class=MsoNormal style='text-indent:21.0pt;layout-grid-mode:char'><span
lang=EN-US>QQ</span><span style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>：</span><span lang=EN-US>3813420<span
style='mso-spacerun:yes'>&nbsp;&nbsp; </span><a
href="mailto:%20Email:[e-mail]"><span
style='mso-spacerun:yes'>&nbsp;</span>Email: [e-mail]</a></span></p>

<p class=MsoNormal style='margin-left:294.0pt;text-indent:21.0pt;layout-grid-mode:
char'><span style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>聂忠强</span></p>

<p class=MsoNormal><span lang=EN-US><o:p>&nbsp;</o:p></span></p>

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