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https://e2e.ti.com/support/interface-group/interface/f/interface-forum/731250/tca9555-tca9555-application-question
你(们)好，先生
用于中断输入的 TCA9555端口、但 TCA9555在输入上升沿和下降沿发送中断输出。
它会导致 INT 输出在中断输入有效时发送两次中断。
有任何解决方案或建议？
令人很烦
