stm32 OSC_IN

在STM32中，OSC_IN是外部振荡器的输入引脚。根据引用\[3\]，在36、48和64脚的封装上，可以将OSC_IN引脚映射到GPIO的PD0引脚。这可以通过设置复用重映射和调试I/O配置寄存器(AFIO_MAPR)来实现。这样，你可以将OSC_IN引脚用作GPIO的输入引脚。
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- *1* [OSC_in 和 OSC_out 引脚 OSC32_IN和OSC32_OUT](https://blog.csdn.net/dianqicyuyan/article/details/129808417)[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^control,239^v3^insert_chatgpt"}} ] [.reference_item]
- *2* *3* [STM32怎么把OSC_IN/OSC_OUT引脚作为GPIO端口PD0/PD1](https://blog.csdn.net/FLYMCUCN/article/details/129042257)[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^control,239^v3^insert_chatgpt"}} ] [.reference_item]
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