ʾʹõԴ
MCO          --   PA8

ʾḶ́
1ϵĬϵͳʱRCHSYS 16MHz
2MCOϵͳʱӣ16MHz
3TIM3 ͨ4벶ԴΪLXTALΪУ׼RCHʱԴ
4ͨLXTALʱӺRCHУ׼Ĵʵֶ̬У׼RCHԻȡȫ¶ȷΧڸ߾ȡ߿ɿԵRCHʱӡ
5ʹLXTALӦУƼʹRCHʱǰϵstop͹ĻѺ󣩻ͨRTCʱԶRCHУ׼У׼RCHʱӾȿɴ0.4%
