標(biāo)題: STM32 TIM定時(shí)器計(jì)數(shù)周期計(jì)算 [打印本頁]
作者: 畫地為牢qy    時(shí)間: 2019-10-21 14:42
標(biāo)題: STM32 TIM定時(shí)器計(jì)數(shù)周期計(jì)算


Tout = （（arr+1）*（psc+1））/Tclk ;
頻率為32M



定時(shí)一個(gè)周期時(shí)間為Tout=100ms則

100ms=((999+1)*(3199+1))/32M
100ms=(1000*3200)/32 000 000

則
Period=999
Prescaler =3199
定時(shí)模式為從0向上計(jì)時(shí)UP






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