ʾʹõԴ
LED          --   PB1
COMP1 input  --   PB0

ʾḶ́
COMPȽPB0ʼ״̬ӵGND

1ϵʱӣRCH 48MHz
2ʼLED,ʼ״̬Ϩ
3ʼCOMP1IO PB0VBGRǴڱȽģʽ
4ֶлPB0ŵѹѹVBGR0.8VLED֮LED

