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ADC設定問題
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初級會員
 
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我設定ADC轉換時利用AN3腳輸入外部類比電壓進入晶片中，但是空接時他會顯示255～240之間數值，不知怎樣歸零，因需要顯示輸入電壓。不知可否告知255及240怎樣計算出來，另外我將5V之類比電壓輸入後LCD顯示會80～96～240之間反覆跳動。設定ADC程式附在附檔名之中，麻煩幫我察看一下是否設定有所問題。
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發表於: 2009/3/5 20:26
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