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Re: 結構位元設定
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版主
 
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這些都是經過定義的特殊字，衣錠要符合 H 檔案裡的定義，不可以自創，編譯時會有錯誤發生。
參照： 還有CSW_FSCM_OFF & XT_PLL8 的意思是說 詳細要看Data Sheet & H 檔的說明。
發表於: 2007/11/27 18:05
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結構位元設定
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新會員
 
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在看程式都會看到
_FOSC(CSW_FSCM_OFF & XT_PLL8); //XT with 8xPLL oscillator, Failsafe clock off _FWDT(WDT_OFF); //Watchdog timer disabled _FBORPOR(PBOR_OFF & MCLR_EN); //Brown-out reset disabled, MCLR reset enabled _FGS(CODE_PROT_OFF); ===================== 我想問 當我改裡面的參數，如我改變XT_PLL為16會變怎樣??速度變快?? 還有CSW_FSCM_OFF & XT_PLL8 的意思是說 0xFFFF and 0xFFFE = 0xFFFE嗎? 是把這倆個參數AND起來嗎?還是...?? 
發表於: 2007/11/26 15:06
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