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<img src=./images/pixel.gif width='7' height='1'>2007-11-07,13:22:11
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【10楼】 <font color=#000000>1a2b3c </font><br>
积分：<font color=#000000>256</font><br>
派别：<font color=#000000></font><br>
等级：<font color=#000000>------</font><br>
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<font color=#000000>这样找找问题
<br>如果你条件好，那么找一个好点的数字示波器，在你系统正常工作后，探头监控RST脚，示波器设置为单次的触发模式，触发电平要稍微设置高点，比电源低0。几到1V的样子，就是只要检测到RST有变化就停下来，当然波形就一直显示着了，具体设置就不说了。这样可以检测是不是由于你的程序在运行过程中有对RST进行了操作或者外界干扰的结果。
<br>要么就是我先说的直接接电源就行了，总该不复位了吧，</font>
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<img src=./images/pixel.gif width='7' height='1'>2007-11-08,18:48:33
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【11楼】 <font color=#000000>zh81818ily </font><br>
积分：<font color=#000000>17</font><br>
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<font color=#000000>我的方案是把ＬＣＤ的ＲＥＴ和ＭＥＧＡ１６的ＲＥＴ连在一起．我现在做的ＭＥＧＡ１６驱动ＬＣＤ和ＬＺ的一样，接触器线绕十圈，连续打十几下才黑屏一次．电路板排版是关键．</font>
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<img src=./images/pixel.gif width='7' height='1'>2007-11-08,20:13:50
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【12楼】 <font color=#000000>xiaobendan </font><br>
积分：<font color=#000000>670</font><br>
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<font color=#000000>谢谢大家的支持，已经解决了。原来是 MCU在上电时接LCD的CS1和CS2的脚默认为输出高，而在执行了一次命令后CS1和CS2变为了低，之后再行写入的开显示命令就无效了，在拉高RET脚时同时拉高CS1和CS2再送入开显示命令就可以立即恢复显示了。今天有时间再试试抗干扰情况。</font>
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<img src=./images/pixel.gif width='7' height='1'>2007-11-09,08:12:19
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