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	<title>Single.9 &#187; 8051</title>
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	<description>電子、電腦、網路、科技與新知。</description>
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		<title>單晶片，很高興見到你。</title>
		<link>http://single9.net/2011/03/the-single-chip-of-nice-to-meet-you/</link>
		<comments>http://single9.net/2011/03/the-single-chip-of-nice-to-meet-you/#comments</comments>
		<pubDate>Thu, 03 Mar 2011 01:10:40 +0000</pubDate>
		<dc:creator>獨夜</dc:creator>
				<category><![CDATA[8051]]></category>
		<category><![CDATA[單晶片]]></category>

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		<description><![CDATA[單晶片(Single Chip)，又稱微控制器(Microcontroller,µC)是我一直在探索與研究的領域之一。我記得與他的初次見面是在國二的樣子，至於發現過程是如何...這我還得要想想，似乎是因為書本上提到這玩意的關係而使我去找尋與研究。
總之，這東西現在是我專研的領域之一，同時也是我學習組合語言的開始。
最初的我接觸到的單晶片是由Atmel所出產的 89C51 這顆IC，當時單價約50元，算是我那時接觸電子領域買過最昂貴的材料，而他的燒錄器也他X的貴(只能燒C51/52的要800)，真是...坑人嘛!<table class="wumii-related-items" cellspacing="0" cellpadding="3" border="0"  style="clear: both;">
    
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                        <img style="margin: 0 !important; padding: 2px !important; border: 1px solid #DDDDDD !important; width: 96px !important; height: 96px !important;" src="http://static.wumii.com/site_images/2011/02/16/2762273.gif" width="96px" height="96px" /><br />
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                        <img style="margin: 0 !important; padding: 2px !important; border: 1px solid #DDDDDD !important; width: 96px !important; height: 96px !important;" src="http://static.wumii.com/site_images/2011/02/16/2762507.jpg" width="96px" height="96px" /><br />
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                <td width="102" valign="top" style="padding: 5px !important; margin: 0 !important; border-left: 1px solid #DDDDDD !important;">
                    <a target="_blank" title="USB ISP - 免轉換，用真正的USB介面燒8051！" style="text-decoration: none !important; cursor: pointer !important;" href="http://app.wumii.com/ext/redirect.htm?url=http%3A%2F%2Fsingle9.net%2F2009%2F06%2Fusb-isp%2F&from=http%3A%2F%2Fsingle9.net%2F2011%2F03%2Fthe-single-chip-of-nice-to-meet-you%2F">
                        <img style="margin: 0 !important; padding: 2px !important; border: 1px solid #DDDDDD !important; width: 96px !important; height: 96px !important;" src="http://static.wumii.com/site_images/2011/02/16/2762272.jpg" width="96px" height="96px" /><br />
                        <font size="-1" color="#9A98AB" style="display: block !important; line-height: 15px !important; width: 102px !important; font: 12px/15px arial !important; height: 60px !important; margin: 3px 0 0 0 !important; padding: 0 !important; overflow: hidden !important;">USB ISP - 免轉換，用真正的USB介面燒8051！</font>
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                <font size="-1" color="#bbbbbb" style="display: block !important; font-family: arial !important; padding: 5px 0 !important; font-size: 12px !important; color: #bbb !important;">无觅</font>
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			<content:encoded><![CDATA[<p><a href="http://single9.net/category/electronic-circuit/8051/" target="_blank">單晶片</a>(Single Chip)，又稱微控制器(Microcontroller,µC)是我一直在探索與研究的領域之一。我記得與他的初次見面是在國二的樣子，至於發現過程是如何...這我還得要想想，似乎是因為書本上提到這玩意的關係而使我去找尋與研究。</p>
<p>總之，這東西現在是我專研的領域之一，同時也是我學習組合語言的開始。</p>
<p>最初的我接觸到的單晶片是由Atmel所出產的 89C51 這顆IC，當時單價約50元，算是我那時接觸電子領域買過最昂貴的材料，而他的<a href="http://single9.net/category/electronic-circuit/8051/" target="_blank">燒錄器</a>也他X的貴(只能燒C51/52的要800)，真是...坑人嘛!</p>
<p>不過C系列的時代流行過好長一段時間後，就進入了S系列，也就是現在常見的 89S51/S52 ，而其燒錄方式改為成本較低廉<a href="http://single9.net/2009/01/at89s5x-programer/">ISP燒錄</a>方式，只需要幾條線與一個軟體便可達成，同時，也因為燒路線少，所需零件相對的也少，DIY上也方便，很適合初入門的人學習用。</p>
<p>記得當時一直看到8051這四個數字，查詢後發現，原來8051是Intel於1981年生產販售的產品，其內含有:<img class="alignleft" title="8051原始版圖片" src="http://upload.wikimedia.org/wikipedia/commons/thumb/f/f0/KL_Intel_P8051.jpg/800px-KL_Intel_P8051.jpg" alt="8051原始版圖片" width="280" height="171" /></p>
<ul>
<li>8 位元 CPU</li>
<li>4KB 內部程式記憶體，最大可擴充至 64KB。</li>
<li>128Bytes 內部資料記憶體，最大可擴充至 64KB。</li>
<li>具有邏輯代數運算功能（位元邏輯）。</li>
<li>4 組可位元定址的 I/O 埠〈P0、P1、P2、P3〉。</li>
<li>2 組16位元計時／計數器〈T0、T1〉。</li>
<li>5 個中斷源〈INT0、INT1、T0、T1、RXD、TXD〉。</li>
<li>1 組全雙工串列埠〈UART〉。</li>
</ul>
<p>&nbsp;</p>
<p>與89C51、89S51的規格幾乎是一模一樣，只是燒錄方式與特性不同。不過Atmel生產的這些IC是從8051的圓形下去進行開發與改良，所以大家喜歡稱這些IC為8051，因為相容嘛！</p>
<p>接下來，先帶大家看看這顆擁有40隻腳的<del><span style="color: #888888;">黑色蜈蚣</span></del>IC的接腳功能。</p>
<p><img class="alignright" src="http://upload.wikimedia.org/wikipedia/zh/5/51/MCS-51.PNG" alt="" width="185" height="278" /></p>
<ul>
<li>VCC：接正電源5V。<span style="color: #888888;">8051的能量來源</span></li>
<li>GND：接地。<span style="color: #888888;">他的排泄口(誤)</span></li>
<li>PORT0：可做一般I/O使用，當作輸入或輸出時應在外部接提升電阻，外部記憶體擴充時，當作資料匯流排（D0~7）及位址匯流排（A0~7）。</li>
<li>PORT1：一般I/O使用，內部設有提升電阻。</li>
<li>PORT2：一般I/O使用，內部也有提升電阻，外部記憶體擴充時，當作位址匯流排（A8~15）使用。</li>
<li>RST：晶片重置信號輸入腳，只要輸入一高電位脈衝，大於2個機械週期，就可以完成重置動作。<span style="color: #888888;">戳一下遊戲</span></li>
<li>ALE/PROG：接外部記憶體時，位址栓鎖致能輸出脈衝，利用此信號將位址栓鎖住，以便取得資料碼未接外部記憶體時，有1/6石英晶體的振盪頻率，可做為外部時脈在燒錄PROM時，此接腳也是燒錄脈波之輸入端。</li>
<li>PSEN：當作程式儲存致能外部程式記憶體之讀取脈波，在每個機械週期會動2次，外接ROM 時， 與ROM 的／OE 腳連接。</li>
<li>EA/VPP：接高電位時，讀取內部程式記憶體；接低電位時，讀取外部程式記憶體。欲燒錄內部EPROM 時，利用此腳接收21伏特之燒錄供應電壓。</li>
<li>XTAL1, XTAL2：接石英晶體振盪器，工作機械週期=石英晶體／12。<span style="color: #888888;">他的手錶</span></li>
</ul>
<p>看完以上超級多的文字後，我相信各位一定對這東西還是一知半解，這不用否認，因為我當初看完這些東西只是一臉疑惑...不過當時的我並沒有相當完整的電腦知識，所以RAM、ROM、KB、位元...這些東西我完全，不懂。哈哈哈哈哈！</p>
<p>稍稍解釋一下這幾個名詞好了。</p>
<p>RAM 即 <em>Random-access memory </em>的縮寫，中文解釋是「隨機存取記憶體」，用來儲存資料用，這些資料是CPU在運行所需的東西，大部分是程式碼片段的機械語言以及運算過程中的暫存資料。</p>
<p>ROM 則是唯讀記憶體 (<em>Read-only Memory</em>)，是存放程式碼的地方，也就是說，你寫的程式轉成機械碼之後所存放的地方，目前以EEPROM、Flash ROM為主流。</p>
<p>那麼，</p>
<h3>單晶片能幹嘛? 能吃嗎?</h3>
<p>單晶片是科技半導體的產物，簡單說就是一種奇怪的石頭(晶體)，所以是不能吃的。</p>
<p>只是，當你會運用這種長相怪異、路邊撿不到的石頭的時候，他就有機會為你製造鈔票來讓你買東西吃。至於買來的東西好不好吃...我只能說，看個人喜好囉~</p>
<p><img title="晶片大軍" src="http://img.single9.net/2011/workspace/DSCF0859.jpg" alt="晶片大軍" /></p>
<p>其實，單晶片應用的範圍很廣，在你生活周遭就有單晶片的存在。離你最近的就是你現在正在用的這台電腦，它的內部就有數顆類似的晶片正在運作著，然後你手上握著的滑鼠，內部也有一顆單片，然後你正在敲打的鍵盤底下也有一顆，證據還不夠嗎? 那麼你身上的MP3 Player、房間的CD音響組、DVD撥放器、電視機...你生活周遭幾乎都有單晶片的影子存在，你說，這東西不能吃嗎? 只是吃法不同罷了。</p>
<p>之後因為技術的成熟與提升，單晶片不再是簡單的8位元的慢速晶片了，目前已有更快的16位元以及32位元的晶片問世，且其內的功能更加的強大！其中32位元的單晶片通常是用來做嵌入式系統，舉個最簡單也最常見的例子，就是你經常用的，手機。</p>
<p>如何? 是不是很驚人呢? 這樣的小東西居然創造了如此多的產品，不過最終的功臣並不是他，而是具有更高度智慧的人類，不然就算有這樣的東西，沒人去思考如何應用，它終究只是一塊石頭...</p>
<p><img title="開發工具" src="http://img.single9.net/2011/workspace/DSCF0871.JPG" alt="開發工具" /></p>
<p>本文參考資料: <a href="http://zh.wikipedia.org/wiki/8051">http://zh.wikipedia.org/wiki/8051</a></p>
<p style="text-align: right;"><span style="color: #888888;">真的很高興遇見你，89C51。</span></p>
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		<title>電子輪盤抽獎遊戲之隨機顯示</title>
		<link>http://single9.net/2010/09/diy-electronic-draw-roulette/</link>
		<comments>http://single9.net/2010/09/diy-electronic-draw-roulette/#comments</comments>
		<pubDate>Thu, 02 Sep 2010 08:30:22 +0000</pubDate>
		<dc:creator>獨夜</dc:creator>
				<category><![CDATA[8051]]></category>
		<category><![CDATA[程式語言]]></category>

		<guid isPermaLink="false">http://single9.net/?p=1366</guid>
		<description><![CDATA[這個東西的出現其實是因為一個店家的老闆請我做的，不過目前我還沒有把它交出去(被毆)，因為我還沒有想好怎麼把版子洗出來...

在這個小小的東西裡，最重要的東西就是隨機選取燈號的部分，不過卻也是最簡單的，因為他只是幾條涵式再加上一點硬體的小配合而已。<table class="wumii-related-items" cellspacing="0" cellpadding="3" border="0"  style="clear: both;">
    
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                        <img style="margin: 0 !important; padding: 2px !important; border: 1px solid #DDDDDD !important; width: 96px !important; height: 96px !important;" src="http://static.wumii.com/site_images/2011/02/16/2762273.gif" width="96px" height="96px" /><br />
                        <font size="-1" color="#9A98AB" style="display: block !important; line-height: 15px !important; width: 102px !important; font: 12px/15px arial !important; height: 60px !important; margin: 3px 0 0 0 !important; padding: 0 !important; overflow: hidden !important;">MIDE-51 - 免費的8051單晶片C語言編譯器</font>
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			<content:encoded><![CDATA[<p><img src="http://img.single9.net/2010/diy-electronic-draw-roulette/experiment.jpg" alt="實驗版" width="576" height="432" /></p>
<p>這個東西的出現其實是因為一個店家的老闆請我做的，不過目前我還沒有把它交出去(被毆)，因為我還沒有想好怎麼把版子洗出來...</p>
<p><span id="more-1366"></span></p>
<p>在這個小小的東西裡，最重要的東西就是隨機選取燈號的部分，不過卻也是最簡單的，因為他只是幾條涵式再加上一點硬體的小配合而已。</p>
<p>我們先來看看隨機選取的這段小程式長甚麼樣子吧!</p>
<pre class="brush:cpp">(rand() % 7) +1; //取餘數後+1，8個狀態選擇</pre>
<p>甚麼!? 竟然就只有這麼短短的一行而已?</p>
<p>是的，你沒看錯。其中的 <strong>rand()</strong> 就是最重要的主角，但別以為這樣子就結束了！因為在C語言中的rand()涵式是要再搭配一個種子，也就是另一個會變換的數字來搭配，才能達到真正的隨機。</p>
<pre class="brush:cpp">srand(s_num);  // 從s_num獲得種子數字給予 rand() 使用</pre>
<p>其中的 <strong>srand() </strong>即是讓 rand() 獲得種子的涵式，也是最重要的一個小涵式，少了它，你的rand就不會random了，而是永遠保持在同1個數值(這就不叫隨機了吧!)。</p>
<p>再來，因為是使用8051來實現的關係，因此我們不能像在電腦裡寫C時的方法一樣用系統時間的方式來獲得種子數字，這時候就需要硬體的搭配了！</p>
<pre class="brush:cpp">srand_num(){
  int i;
  CV=0;
  delay(10); //電容放電
  CV=1; //電容開始充電
  do{i++;}while(!CV); // 累加 i 到充電完畢
  s_num=i; //將i值丟給 s_num
}</pre>
<p>我是利用RC充放電的原理達到種子產生的效果，從上面可以看出，電容會在放電後執行充電的動作。</p>
<p>而每次充電的時間其實都有些許不同，做過相關實驗便知道RC充放電的函數圖形呈曲線狀態，然後利用這一特性，讓 i 在這段時間中累加，最後取得最終數值。</p>
<p>最後將這些小片段組合起來，再加上一些小設定便可以達到隨機顯示的效果了！</p>
<p>如何? 是不是很有趣呢? 我剛把這個雛形弄出來的時候也玩了很久，哈哈~:P</p>
<p><span style="color: #ffffff;">.</span></p>
<p><span style="color: #ffffff;">.</span></p>
<p style="text-align: right;"><span style="color: #888888;">機率是不可確定的，你永遠只能知道它的數值但無法預知它出現的時機。</span></p>
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		<title>新燒錄器入手，以及第一件案子進行中。</title>
		<link>http://single9.net/2010/07/new-8051-programmer/</link>
		<comments>http://single9.net/2010/07/new-8051-programmer/#comments</comments>
		<pubDate>Tue, 13 Jul 2010 10:50:25 +0000</pubDate>
		<dc:creator>獨夜</dc:creator>
				<category><![CDATA[8051]]></category>
		<category><![CDATA[燒錄器]]></category>

		<guid isPermaLink="false">http://single9.net/?p=1351</guid>
		<description><![CDATA[幾天前，從畢業的學校買到了新的燒錄器，這燒錄器是由學校老師自行設計、焊接，但非常方便的燒錄器，省下我自行製作的時間。經過我的拆解，它的燒錄晶片使用的是 ATmega8 ， 這與這篇文章有些相似，根據我的揣測，使用的燒錄原理應該是一樣的。 這燒錄器的特點是可以直接將89S51/S52/S8253插在欲使用的板子上進行模擬與測試，最方便的是USB ISP的燒錄介面，大大的減少了實驗或者是專案開發的時間，測試完成後，就可以把晶片拆下放上實際運行的版子。 燒錄程式也是那位老師自行撰寫的喔！使用方式簡單，燒錄快速，整體來講算是個不錯的工具。 當這燒錄器一入手，我便馬上開始進行規劃已久的案子，這案子目前不方便在這裡公開，等待完成，並交付後我再來解釋一下這件案子的要求、運作原理、撰寫過程。 不過這案子其實滿簡單的，只是拖得有點久，真是對那案主有點不好意思啊... 使用的開發程式為Mide-51這款方便、體積小的編譯程式。 這個程式我有在網站裡介紹過，直到現在我都還是使用這款程式做為我實驗或開發時的主要編譯器。至於大家常用的Keil C...說實話，體積龐大、開啟速度慢、佔用資源多......這些都是我捨棄的原因，縱使它的模擬方面做得比Mide-51好，不過我還是不愛。 進度...50%<table class="wumii-related-items" cellspacing="0" cellpadding="3" border="0"  style="clear: both;">
    
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			<content:encoded><![CDATA[<p><img src="http://img.single9.net/2010/new-8051-programmer/main.jpg" alt="" /></p>
<p>幾天前，從畢業的學校買到了新的燒錄器，這燒錄器是由學校老師自行設計、焊接，但非常方便的燒錄器，省下我自行製作的時間。經過我的拆解，它的燒錄晶片使用的是 ATmega8 ， 這與<a href="http://single9.net/2009/06/usb-isp/" target="_blank">這篇文章</a>有些相似，根據我的揣測，使用的燒錄原理應該是一樣的。</p>
<p><span id="more-1351"></span></p>
<p>這燒錄器的特點是可以直接將89S51/S52/S8253插在欲使用的板子上進行模擬與測試，最方便的是USB ISP的燒錄介面，大大的減少了實驗或者是專案開發的時間，測試完成後，就可以把晶片拆下放上實際運行的版子。</p>
<p><img src="http://img.single9.net/2010/new-8051-programmer/program.png" alt="" /></p>
<p>燒錄程式也是那位老師自行撰寫的喔！使用方式簡單，燒錄快速，整體來講算是個不錯的工具。</p>
<p>當這燒錄器一入手，我便馬上開始進行規劃已久的案子，這案子目前不方便在這裡公開，等待完成，並交付後我再來解釋一下這件案子的要求、運作原理、撰寫過程。</p>
<p><img src="http://img.single9.net/2010/new-8051-programmer/first-case.jpg" alt="" /></p>
<p>不過這案子其實滿簡單的，只是拖得有點久，真是對那案主有點不好意思啊...</p>
<p><img src="http://img.single9.net/2010/new-8051-programmer/first-case2.png" alt="" width="606" height="514" /></p>
<p>使用的開發程式為Mide-51這款方便、體積小的編譯程式。</p>
<p>這個程式我有<a href="http://single9.net/2009/02/free-sdcc-for-8051/" target="_blank">在網站裡介紹過</a>，直到現在我都還是使用這款程式做為我實驗或開發時的主要編譯器。至於大家常用的Keil C...說實話，體積龐大、開啟速度慢、佔用資源多......這些都是我捨棄的原因，縱使它的模擬方面做得比Mide-51好，不過我還是不愛。</p>
<p style="text-align: right;"><span style="color: #888888;">進度...50%</span></p>
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		<title>USB ISP - 免轉換，用真正的USB介面燒8051！</title>
		<link>http://single9.net/2009/06/usb-isp/</link>
		<comments>http://single9.net/2009/06/usb-isp/#comments</comments>
		<pubDate>Wed, 17 Jun 2009 11:35:07 +0000</pubDate>
		<dc:creator>獨夜</dc:creator>
				<category><![CDATA[8051]]></category>
		<category><![CDATA[USB]]></category>
		<category><![CDATA[燒錄器]]></category>

		<guid isPermaLink="false">http://single9.twgg.org/?p=317</guid>
		<description><![CDATA[前一陣子，在對岸發現了一個不錯的東西。 雖然那個東西在台灣有人在賣，一組大概是1,000元台幣(燒路線+實驗板)，但是......對我們這些窮學生來講時在是好貴好貴。 研究過那塊板子，它是利用Atmel公司出產的ATMega(AVR)去做資料的傳輸，而AVR本身就內建有USB的傳輸功能。 所以，你看到關鍵了嗎? 關鍵就是那一顆 ATMega8 單晶片啦！(一顆大約100元) Google了一下，發現大部分的資料都是簡體中文的(繁體中文的資料趨近於0)，不過內容都還不錯，只可惜我到現在還沒有時間去實做實測...... 好的，我們進入正題吧！ 這是它所使用的電路圖，零件沒幾個，價錢大約是300~400之間(不包含燒AVR用的燒錄器)。 剩下的就先請您到對岸去看一下囉~ 網址：http://www.51hei.com/mcu/585.html &#160; 感謝小默網友的回應，因主站的下載點已經失效，還好我這邊還有留檔案起來，請需要的點此下載。2011/05/12 &#160; 然後我還沒測試...XD<table class="wumii-related-items" cellspacing="0" cellpadding="3" border="0"  style="clear: both;">
    
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			<content:encoded><![CDATA[<p><a href="http://single9.twgg.org/2009/06/17/usb-isp/"><img class="alignnone size-full wp-image-743" title="2008929316112782" src="http://img.single9.net/2009/06/2008929316112782.jpg" alt="" width="640" height="318" /></a></p>
<p>前一陣子，在對岸發現了一個不錯的東西。</p>
<p>雖然那個東西在台灣有人在賣，一組大概是1,000元台幣(燒路線+實驗板)，但是......對我們這些窮學生來講時在是好貴好貴。</p>
<p>研究過那塊板子，它是利用Atmel公司出產的ATMega(AVR)去做資料的傳輸，而AVR本身就內建有USB的傳輸功能。</p>
<p><span id="more-317"></span></p>
<p>所以，你看到關鍵了嗎?</p>
<p>關鍵就是那一顆 ATMega8 單晶片啦！(一顆大約100元)</p>
<p>Google了一下，發現大部分的資料都是簡體中文的(繁體中文的資料趨近於0)，不過內容都還不錯，只可惜我到現在還沒有時間去實做實測......</p>
<p>好的，我們進入正題吧！</p>
<p><a rel="attachment wp-att-742" href="http://single9.net/?attachment_id=742"><img class="alignnone size-full wp-image-742" title="2008922635743789" src="http://img.single9.net/2009/06/2008922635743789.jpg" alt="" width="550" height="342" /></a></p>
<p>這是它所使用的電路圖，零件沒幾個，價錢大約是300~400之間(不包含燒AVR用的燒錄器)。</p>
<p>剩下的就先請您到對岸去看一下囉~</p>
<p>網址：<a href="http://www.51hei.com/mcu/585.html">http://www.51hei.com/mcu/585.html</a></p>
<p>&nbsp;</p>
<p>感謝小默網友的回應，因主站的下載點已經失效，還好我這邊還有留檔案起來，請需要的<a href="http://www.box.net/shared/06thtt6s0z" target="_blank">點此下載</a>。2011/05/12</p>
<p>&nbsp;</p>
<p style="text-align: right;"><span style="color: #888888;">然後我還沒測試...XD</span></p>
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		<title>89C2051燒錄器 - 用89S51實現。</title>
		<link>http://single9.net/2009/04/89c2051-programmer/</link>
		<comments>http://single9.net/2009/04/89c2051-programmer/#comments</comments>
		<pubDate>Wed, 01 Apr 2009 14:35:18 +0000</pubDate>
		<dc:creator>獨夜</dc:creator>
				<category><![CDATA[8051]]></category>
		<category><![CDATA[C]]></category>
		<category><![CDATA[燒錄器]]></category>
		<category><![CDATA[電腦]]></category>

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		<description><![CDATA[20090518 更新圖片連結 手癢，到處在找USB ISP的資料，無意間發現這個 - 燒錄89C2051(用89S51或89C2051) 89C2051是一顆20隻腳的C51/S51縮小版(Atmel公司有出S2051，但是我在台灣沒有看到) 腳少了20隻，體積也小了將近4分之一，但是功能一樣強大！ C2051 - 2KB的ROM C4051 - 4KB的ROM(跟S51一樣大小，只不過比較小顆) 恩，基本上功能一樣，只不過腳位有些不同罷了。 可以看看 - AT89C2051 Data Sheet 看過之後，接下來就來介紹正題啦!! 來介紹一下他的燒錄原理： 因為是用串列控制，所以要一些協定 串列收到的資料定義如下 00~FF 讓P1輸出00~FF的某值，然後EN送出一個脈波 en EN送出一個脈波 e1 EN高電位 e0 EN低電位 a0 自訂腳位A低電位 a1 自訂腳位A高電位 an 自訂腳位A反向 ac 自訂腳位A送出一個脈波 at 傳回自訂埠A的值 tx 傳回P1的值 上面的聽的霧煞煞沒關係 再來就是結果展示啦 我來示範怎麼燒錄C2051 下載電腦端燒錄程式和燒錄驅動晶片HEX檔 先把這個HEX檔燒錄進S51內，S51燒錄電路和程式能參考這裡 再來按照下面的電路圖接完之後....... 就大功告成啦!! 測試資料等4/4號過了之後再說吧！ 測試結果，不明原因的失敗...... From:銀色，是我的信仰。<table class="wumii-related-items" cellspacing="0" cellpadding="3" border="0"  style="clear: both;">
    
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                        <img style="margin: 0 !important; padding: 2px !important; border: 1px solid #DDDDDD !important; width: 96px !important; height: 96px !important;" src="http://static.wumii.com/site_images/2011/02/16/2762281.jpg" width="96px" height="96px" /><br />
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                        <img style="margin: 0 !important; padding: 2px !important; border: 1px solid #DDDDDD !important; width: 96px !important; height: 96px !important;" src="http://static.wumii.com/site_images/2011/02/16/2762273.gif" width="96px" height="96px" /><br />
                        <font size="-1" color="#9A98AB" style="display: block !important; line-height: 15px !important; width: 102px !important; font: 12px/15px arial !important; height: 60px !important; margin: 3px 0 0 0 !important; padding: 0 !important; overflow: hidden !important;">MIDE-51 - 免費的8051單晶片C語言編譯器</font>
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			<content:encoded><![CDATA[<p style="text-align: right;"><span style="color: #ff0000;">20090518 更新圖片連結</span></p>
<p>手癢，到處在找USB ISP的資料，無意間發現這個 - <a href="http://mahdi0828.blogspot.com/2008/09/89c205189c2051.html">燒錄89C2051(用89S51或89C2051)</a></p>
<p>89C2051是一顆20隻腳的C51/S51縮小版(Atmel公司有出S2051，但是我在台灣沒有看到)</p>
<p>腳少了20隻，體積也小了將近4分之一，但是功能一樣強大！</p>
<p>C2051 - 2KB的ROM</p>
<p>C4051 - 4KB的ROM(跟S51一樣大小，只不過比較小顆)</p>
<p>恩，基本上功能一樣，只不過腳位有些不同罷了。</p>
<p>可以看看 - <a class="l" href="http://www.google.com.tw/url?sa=t&amp;source=web&amp;ct=res&amp;cd=1&amp;url=http%3A%2F%2Fwww.atmel.com%2Fatmel%2Facrobat%2Fdoc0368.pdf&amp;ei=a4DTSbu7D6a6tAOt9OXxCw&amp;usg=AFQjCNEshTKmhJDm6x6fDLCwfQnuyjRrgg&amp;sig2=kywPMTkxHbTqdiAJ6Xfvyg">AT89C2051 Data Sheet</a></p>
<p>看過之後，接下來就來介紹正題啦!!</p>
<p><span id="more-247"></span></p>
<p>來介紹一下他的燒錄原理：</p>
<p>因為是用串列控制，所以要一些協定</p>
<p>串列收到的資料定義如下</p>
<p><span style="color: #800000;">00~FF 讓P1輸出00~FF的某值，然後EN送出一個脈波</p>
<p>en EN送出一個脈波</p>
<p>e1 EN高電位</p>
<p>e0 EN低電位</span></p>
<p>a0 自訂腳位A低電位</p>
<p>a1 自訂腳位A高電位</p>
<p>an 自訂腳位A反向</p>
<p><span style="color: #800000;">ac 自訂腳位A送出一個脈波</p>
<p>at 傳回自訂埠A的值</span></p>
<p>tx 傳回P1的值</p>
<p>上面的聽的霧煞煞沒關係</p>
<p>再來就是結果展示啦</p>
<p>我來示範怎麼燒錄C2051</p>
<p><a href="http://hayden0828.01.googlepages.com/C2051.rar">下載電腦端燒錄程式和燒錄驅動晶片HEX檔</a></p>
<p>先把這個HEX檔燒錄進S51內，<a href="http://single9.net/tag/%E7%87%92%E9%8C%84%E5%99%A8/" target="_blank">S51燒錄電路和程式能參考這裡</a></p>
<p>再來按照下面的電路圖接完之後.......</p>
<p><a href="http://4.bp.blogspot.com/_YGCobP2xvzk/SQnQONh85gI/AAAAAAAAATE/zcCZY9-xCI0/s1600-h/002.jpg"><img title="P" src="http://img.single9.net/2010/89c2051-programmer/002.jpg" alt="002" width="390" height="281" /></a></p>
<p>就大功告成啦!!</p>
<p><span style="color: #888888;"><span style="text-decoration: line-through;">測試資料等4/4號過了之後再說吧！</span></span></p>
<p><span style="color: #888888;">測試結果，不明原因的失敗......</span><span style="text-decoration: line-through;"></p>
<p></span></p>
<p style="text-align: right;"><span style="color: #999999;">From:<a title="銀色，是我的信仰。" href="http://mahdi0828.blogspot.com/2008/09/89c205189c2051.html" target="_blank">銀色，是我的信仰。</a></span></p>
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