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我们现在使用TMS570ls20216 IRQ 外部IO中断设置了中断向量表后也无法进入中断函数，用的是ccs5的软件环境，请问如何进入中断函数的？
move to hercalus forum
你好，
是否有调用全局中断使能：
_enable_interrupts()或_enalbe_IRQ()
