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https://e2e.ti.com/support/microcontrollers/arm-based-microcontrollers-group/arm-based-microcontrollers/f/arm-based-microcontrollers-forum/793304/tms570ls1227-nhet-external-rising-edge-interrupt-latency
大家好、
NHET 外部上升沿中断延迟多长时间？ 我没有找到有关这一点的规格。
我的客户正在使用 GPIO 切换来测量中断延迟、发现它具有大约2us 的延迟。 即进入 ISR、然后切换 GPIO、然后测量外部事件和 gipo 切换事件之间的波形。
