我想请教下这些问题:
1.中断中讲到的CPU级NMI和外部中断NMI分别是什么?
2.外部中断x计数器(XINTxCTR)x=1或2是指只能用作外部中断1和外部中断2?
3.XINTxCTR中的INTCTR位我们需要配置吗,是不是只要配好了中断,这个就自动的启动计数?它的计数最大是不是可以到0XFFFF?
4.我们怎么样可以读出XINTxCTR的计数值?
谢谢大家!
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