5.3.2 Priority grouping To increase priority control in systems with large numbers of interrupts, the NVIC supports priority grouping. You can use the PRIGROUP field in the Application Interrupt and Reset Control Register on page 8-21 to split the value in every PRI_N field into a pre-e ...
关于STM32的SysTick STM32的SysTick属于其16个不可屏蔽中断之一。(占有不可屏蔽中断向量位置) 不同于一般的中断, SysTick具有专门的管理寄存器: SysTick Control and Status Register------SysTick控制寄存器 SysTick Reload Value ...