ʾʹõԴ
ADC_IN6      --   PF2

ʾĹʵ̣
ʹTIM3TRIG_OUTΪӲԴͨDMAжϵķʽȡADCͨ6ѹֵ

1ϵϵͳʱΪRCH 48MHz
2ʼPF2ADCɼŵѹ
3ʼTIM3
4ADCУ׼
5ʼADC
   1ADCʱ3Ƶʱ119adc_clk
   2ʹwaitģʽ;
   3תͨѡͨ6
   4ɨشԴΪTIM3 TRIG_OUT
   5ģʽѡЪģʽ
6ʼDMADMAַݴС
7TIM3ͬʱʹADC;
8TIM31sADCתADCתɺתͨDMA䵽Ŀַ
9DMAжϼADCݴǷɣ
10ȡDMAADCתݣѹֵ
