Non-Maskable Interrupt(NMI),即不可屏蔽中断,是一种特殊的硬件中断信号,它不能被操作系统或应用程序屏蔽。这意味着一旦NMI被触发,处理器必须立即响应并处理该中断,即使当前处理器正在执行关键任务或高优先级操作。 2. 阐述NMI通常是由什么原因触发的 NMI通常是由以下几种原因触发的: 硬件错误:如内存ECC校验错误、...
9、Restore NMI_EN IoWrite8(NMI_EN_PORT, Save_Port70); NMI_EN是从0x74端口读,从0x70端口写 对怎样执行NMI中断处理程序的理解 当NMI被触发以后,interrupt controller(8259)会将NMI的中断向量(vector=02h)发送给CPU,CPU就会根据vector在中断向量表(interrupt table)中去寻找对应的NMI处理程序。在source code中...
nonmaskable interrupt NMI 释义 非可屏蔽中断,非屏蔽中断,不可屏蔽中断
We also have enabled this interrupt using the API NVIC_EnableIRQ(NonMaskableInt_IRQn). We are using the example code of Icu driver and did the changes as per our requirement. Is there any other configuration parameter/ any code changes we need to do in order to enable thi...
請問 LPC 的 Non-maskable Interrupt (NMI)請問 LPC 的 Non-maskable Interrupt (NMI) 的使用限制Non-maskable Interrupt (NMI) 一但開啟，就無法關閉，若是有需要用到 ROM code 的時候，會容易發生衝突。
NMIabbr. no middle initial 无中名的姓名首字母缩写 nmin. 不可屏敝中断 interruptv.[I,T] 1.打断,插嘴;打扰;打岔 v.[T] 1.暂停;中断 2. 阻断,遮挡(连续线条、平面、景色等) interrupt driven中断驱动 最新单词 line check是什么意思及发音小检修 ...
I know that a GPIO can be used to trigger an interrupt, I've used it on the DM642. I am asking the question here just to make sure that it is still true for the TPS65930/Davinci. Can you please confirm that I can use GPIOs (8 or 16) as non-maskable interrupt (NMI) ...
NMI中断是一种特殊类型的中断,即非屏蔽中断(Non-Maskable Interrupt)。与普通的中断不同,NMI中断无法被屏蔽或忽略,它具有最高的优先级,即使在系统处于忙碌或故障状态时也会被响应。 NMI中断通常用于处理一些紧急情况或系统级别的故障,例如硬件故障、电源问题、内存校验错误等。当系统检测到这些严重问题时,会触发NMI中断...
Non-Maskable Interrupt (NMI), are external events. The difference between an asynchronous trap and an interrupt is that asynchronous traps are routed via the trap vector instead of the interrupt vector. They can not be masked and they do not change the current CPU interrupt priority number. You...
Hi This is the introduction to NMI in the Cortex-M4 Devices Generic User Guide : A Non Maskable Interrupt (NMI) can be signalled by a peripheral or