RCC_OSC_IN

RCC_OSC_IN是STM32中的一个引脚，用于连接外部时钟源。在使用HSE时钟时，需要将外部高速时钟晶振连接到RCC_OSC_IN引脚上，以提供系统的时钟信号。\[1\]
#### 引用[.reference_title]
- *1* [[转载]STM32的时钟树深入详解](https://blog.csdn.net/lpwin81/article/details/19018387)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v91^insert_down1,239^v3^insert_chatgpt"}} ] [.reference_item]
- *2* *3* [STM32——时钟系统RCC详细介绍](https://blog.csdn.net/qq_36535414/article/details/116204936)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v91^insert_down1,239^v3^insert_chatgpt"}} ] [.reference_item]
[ .reference_list ]