ʾʹõԴ
TIM1 BRK1    --   PA2
TIM1 CH1     --   PA15
TIM1 CH2     --   PB3
TIM1 CH3     --   PB4
TIM1 CH4     --   PB5
TIM1 CH5     --   PB6
TIM1 CH6     --   PB7
TIM1 CH7     --   PA11
TIM1 CH8     --   PA8

ʾḶ́
1ϵʱӣRCH 72MHz
2TIM1ΪPWMģʽ8·ͨ;
       ͨ1ͨ2
       ͨ3ͨ4
       ͨ5ͨ6
       ͨ7ͨ8

3ɲźЧʱɲ¼ʱPWM

ע⣺
1ɲźϵĬ״̬Ϊ͵ƽ
2ɲźЧʱɲͨ1ͨ2Ϊ
                                          _____________________
                                         | 
 BRK  ___________________________________| 
           _____              _____      <--------------------->               
          |     |            |     |             ״̬
 CH1  ____|     |____________|     |___________________________ 
        <->                <->              
                         
 CH2  __           ________           ___            
        |         |        |         |   |              
        |_________|        |_________|   |_____________________                            
                <->                <->          
                                                                                    

                         