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18F458 PWM 關閉啟動時間
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新會員
 
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使用18F458 8MHz with PLL to 32MHz
於主程式中啟動PWM功能 當脈波送出時，使用timer2之中斷計數 並可自由設定所送出之脈波數 即送出至所需之脈波數即關閉PWM 但是... 設定之PWM 頻率無論為12us or 22us 但關閉數目不依照自由設定 似乎均需花費到50us 請問.... PWM關閉時間需多久 且進出中斷時間...為多久
發表於: 2006/5/16 15:58
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