/* Select the Master Slave Mode */ 
  TIM_SelectMasterSlaveMode(TIM1, TIM_MasterSlaveMode_Enable); 
  /* Master Mode selection */ 
  TIM_SelectOutputTrigger(TIM1, TIM_TRGOSource_Enable);  
 
  TIM_SelectSlaveMode(TIM8, TIM_SlaveMode_Trigger); 
  TIM_SelectInputTrigger(TIM8, TIM_TS_ITR0); 
 
运行后T1 MMS=001    T8 SMS=0X06 ;
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