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TCA8418 INT pin staying low

Other Parts Discussed in Thread: TCA8418

Hello, I am using the TCA8418 to control buttons (a keyboard). The data is being sent via I2C, and works momentarily. The INT pin, according to the datasheet, sends a quick low pulse, and should come back up immediately. In my Scenario, it works for a few times, then stays low. I tried changing the value of the pull up resistor with little change. Any ideas on what could be causing this?