STC8Hϵеĸ߼PWM012ַPWM1PΪ

1ʹPWMx_ENOֹPWMӦIOΪͨIOֹPWMIOֱ߻͵ƽ
  PWMA_ENO |= 0x01;   // PWM1P
  delay_ms(5);        // P1.0PWM 5ms
  P10 = 1;            // P1.0ߵƽ
  PWMA_ENO &= ~0x01;  // رPWM
  delay_ms(5);        // P1.0ߵƽ5ms
		
  PWMA_ENO |= 0x01;   // PWM1P
  delay_ms(5);        // P1.0PWM 5ms
  P10 = 0;            // P1.0͵ƽ
  PWMA_ENO &= ~0x01;  // رPWM
  delay_ms(5);        // P1.0ߵƽ5ms

2PWMx_CCMRnǿPWMЧߣƽ/Чͣƽ
  PWMA_CCMR1 = (PWMA_CCMR1 & ~0x70) | 0x60;  // PWM
  delay_ms(5);                               // PWM5ms
  PWMA_CCMR1 = (PWMA_CCMR1 & ~0x70) | 0x40;  // ǿPWMЧͣƽ
  delay_ms(5);                               // PWM͵ƽ5ms
  PWMA_CCMR1 = (PWMA_CCMR1 & ~0x70) | 0x60;  // PWM
  delay_ms(5);                               // PWM5ms
  PWMA_CCMR1 = (PWMA_CCMR1 & ~0x70) | 0x50;  //ǿPWMЧߣƽ
  delay_ms(5);                               // PWMߵƽ5ms

