void TIM1Init(void)
{

  //Set the Prescaler value
  TIM1_PSCRH = 0x00;
  TIM1_PSCRL = 0x03;   

  TIM1_CR1 &= 0xEF;           //UP_CONTER
  //Set the Autoreload value
  TIM1_ARRH = 0x00;
  TIM1_ARRL = 0xC8;     //200

  TIM1_RCR = 0x00;

  TIM1_CCMR3 = 0x60;          //PWM MODE 3
  TIM1_CCER1 = 0x01;          // OPEN OC1

  TIM1_CCR3H = 0x00;
  TIM1_CCR3L = 0x64;           //占空比

  TIM1_OISR  |= 0x00;    /* Idle state set  */

  TIM1_IER    = 0x01;    /* Enable TIM1 update interrupt. */
  TIM1_CR2   &=~0x01;    /* disable Capture/Compare Preloaded Control. */

  /* Automatic Output enable, Break, dead time and lock configuration*/
  TIM1_BKR   |= 0x48;
  //TIM1_BKR   |= 0x40;
  TIM1_DTR    = 0x04;    /* Dead time (1s/16MHz)*2*4 = 500ns */
  TIM1_BKR   |= 0x10;    /* Break enable */
  TIM1_BKR   |= 0x20;    /* Break polarity High */
  TIM1_BKR   |= 0x40;    /* Automatic output enable */
  TIM1_BKR   |= 0x01;    /* LockLevel_1 */

  /* Main Output Enable */
  TIM1_BKR |= 0x80;    /* Output enable */
  TIM1_BKR = 0x80;
  TIM1_EGR = 0x01;

  TIM1_CR1 = 0x01;

}