Systick的中断优先级高于外设中断优先级。
时间: 2023-09-02 21:07:58 浏览: 101
是的,根据引用\[2\]中的说明,Systick为内核外设中断,其中断优先级由内核SCB这个外设的寄存器SHPRx(x=1.2.3)来配置。内核外设的中断优先级可编程为0~15,数值越低,优先级越高。而根据引用\[3\]的总结,如果不修改默认Systick的硬件优先级,则优先级顺序为:外设中断、软件定时器、任务级优先级。因此,Systick的中断优先级是高于外设中断优先级的。
#### 引用[.reference_title]
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- *3* [关于Stm32 Systick中断 与 普通外设中断 的优先级的比较](https://blog.csdn.net/weixin_42078116/article/details/87881238)[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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