IP0 |= 0X20;
时间: 2023-09-11 15:08:29 浏览: 36
IP0 |= 0X20是一个位操作,它的作用是将IP0寄存器的第五位设置为1。在这段代码中,IP0是一个用于设置外部中断优先级的寄存器。通过将第五位设置为1,可以将外部中断0的优先级设置为高级优先级。这样,当发生外部中断时,优先级较高的外部中断1将嵌套在外部中断0中。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
#### 引用[.reference_title]
- *1* *2* [用C编程,设置两个外部中断(INT0和INT1)按键,优先级IP=0x04,即把外部中断1设置为高级优先级,外部中断0...](https://blog.csdn.net/qq_37131037/article/details/82987129)[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^v93^chatsearchT3_1"}}] [.reference_item style="max-width: 50%"]
- *3* [ZigBee外部中断控制](https://blog.csdn.net/qq_34752070/article/details/82350388)[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^v93^chatsearchT3_1"}}] [.reference_item style="max-width: 50%"]
[ .reference_list ]