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Re: 關於A/D轉換的取樣時間選擇
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版主
 
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以PIC16F877A為例,它的Tad為1.6uS,而你使用的crystal是20MHz,則每個clock只有50nS,所以你至少要選擇Fosc/32,才可以符合Tad至少為1.6uS的要求.
發表於: 2006/1/11 17:19
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關於A/D轉換的取樣時間選擇
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新會員
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請問一下在設定A/D轉換時，ADCS用來選擇 Fosc/2或Fosc/8或Fosc/32等等，請問這是什麼意思?這和A/D轉換的Tad有什麼關係?
發表於: 2005/12/26 20:44
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