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https://e2e.ti.com/support/interface-group/interface/f/interface-forum/820324/tca9555-interrupt-pin-question
我们的客户想知道是否可以将中断输出引脚 NC？ 还是我们必须通过上拉电阻器连接到 VCC？ 谢谢。
您好、九、
如果应用不需要中断指示、则可以将/INT 引脚保持悬空。
此致、 最大
