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您好、
您是否还会提供相关的计时器 SysConfig 配置的屏幕截图？
此致、 彼得
> if ((TIMER_0_INST->CPU_INT.RIS)& GPTIMER_GEN_EVENT0_IMASK_TOV_MASK)｛
TOV 是触发器溢出（事件生成）、因此它不是您要找的。 您可能需要加载或归零事件[Ref TRM (SLAU846B) 图 27-10]、类似如下所示：
> IF ((TIMER_0_INST->CPU_INT.RIS)& GPTIMER_CPU_INT_RIS_Z_MASK)｛ //零事件？
