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PWMA_ENO = 0x03; //使能输出 PWMA_IOAUX=0X00; PWMA_CCER1 = 0x00; //写 CCMRx 前必须先清零 CCxE 关闭通道 PWMA_CCMR1 = 0x68; //设置 PWM1 模式1 输出 PWMA_CCER1 = PWMHL; //使能 CC1E 通道, 低电平有效 PWMA_OISR=0; PWMA_DTR=0x0F; PWMA_PS = 0x00; //高级 PWM 通道输出脚选择位 PWMA_ARRH = 0x03; PWMA_ARRL = 0x28; PWMA_CCR1H = 0x01; PWMA_CCR1L = 0x94; PWMA_BKR = 0x00; //使能主输出 PWMA_IER = 0x00; PWMA_CR1 = 0x00;复制代码
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PWMA_BKR = 0x80; //使能主输出 PWMA_CR1 = 0x01; 复制代码
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