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OMAP3530如何计算中断延迟



老师:

 

          您好,我现在想对外部中断的延迟时间进行就算,我想知道如何处理,我看了omap的数据手册,貌似要用到TCLR  TCAR1 TCRR 这些寄存器,但是我不清楚这个如何实现整个计时延迟机制。,您能给我详细介绍下么?