Jordan, Please confirm if the edge is always captured even if the interrupt does not happen. I suspect that this will be the case. My initial thought is that there is another interrupt that is running when the eCAP interrupt flag is set. That interrupt completes and acknowledges both its own flag as well as the eCAP's interrupt flag keeping the eCAP interrupt from ever running. If this is not the case we can investigate other potential issues. Could you provide more details on number 6 above? What is Pin123 doing? Do you have any idea on why this would change the behavior? Regards, Cody
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