ʾʹõԴ
LED1         --   PB4
COMP1 input  --   PA9
COMP1 output --   PA10
COMP2 input  --   PF1

ʾḶ́
1ϵϵͳʱRCH 48MHz
2ʼLED1Ϩ
3ʼCOMP1IO PA9RDAC_OUT,RADC_OUTѹԴѡVDDA5/8ǴڱȽģʽΪCOMP1\2;
4ʼCOMP2COMP1źţIO PF1,ڱȽģʽ
5COMP1ֶлPA9ѹѹ5/8 VDDAСIO PF1ѹLED1֮LED1Ϩ

ע⣺
1)COMPȽPA9ʱ,Ǹ̬Ƽ˲Ҫա
2)ڱȽֵVDDA5/8VDD=3.3VʱڲѹԴ2.0625VֵPF1 PF1ѹСVDDA5/8ͬʱ0V