标签:stm32 频率 NPU use pre system arp 时钟 pass
问题一:
当HSE的旁路输入频率为8MHz时,(外部晶振为8MHz),需要在system_stm32f4xx.c中,设置:
#if defined (USE_HSE_BYPASS) #define HSE_BYPASS_INPUT_FREQUENCY 8000000 #endif /* USE_HSE_BYPASS */ #endif /* STM32F411xE */
问题二:
标签:stm32 频率 NPU use pre system arp 时钟 pass
原文地址:https://www.cnblogs.com/stephen-mcu-tech/p/9246847.html