TIM8CH1CH6PWM:100KHZʱ䣬CH1/2/3  CH1N/2N/3Nɲ
CH4/5/6ɲ
CH4ADCתADCתжϣPB3һ

ɲԴΪBKIN2PIN, ߵƽЧɲ BKIN2_PIN:PD5  PB4

#define BreakSource_COMP 壬ѡCMP1ΪɲԴCMP1_0PPB4

 /*
  TIM8:
  CH1  :PD3_AF1
  CH1N :PD0_AF5
  CH2  :PD2_AF5
  CH2N :PC7_AF5
  CH3  :PD1_AF5 
  CH3N :PC6_AF1
  CH4  :PC5_AF1 
  CH5  :PB1_AF1
  CH6  :PB2_AF1
  ETR  :PC3_AF1
  BKIN :PC5_AF5
  BKIN2:PD5_AF3
  */ 
/*CMP1
  1P: PC0:ANA
  1N: PC1:ANA
  OUT: PA6:AF8
  */