* @param RCC_HSE: specifies the new state of the HSE. * This parameter can be one of the following values: * @arg RCC_HSE_OFF: HSE oscillator OFF * @arg RCC_HSE_ON: HSE oscillator ON * @arg RCC_HSE_Bypass: HSE oscillator bypassed with external clock * @retval None */ 既然我们...
@arg RCC_HSE_ON: HSE oscillator ON @arg RCC_HSE_Bypass: HSE oscillator bypassed with external clock */ // 传入参数有3个可选项,其中RCC_HSE_Bypass是使用外部有源晶振时, // 由外电路提供时钟,此时外部时钟只接OSC_IN,而OSC_OUT引脚悬空 // 使用外部无源晶振时,晶体 + 起振电容配合内部电路来产生...
a1: external 1-16 MHz oscillator bypassed with external clock[translate] a● When switching to LSE clock (see CLK_SWR register)[translate] a● as system clock source (CLK_SCSR register),[translate] a● or as active clock source for RTC.[translate] ...