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DS90UB921-Q1: DS90UB921/DS90UB948使用INTB引脚如何进行信号透传

Part Number: DS90UB921-Q1

主机端已经可以获取到触摸屏数据,触摸屏的中断信号接在了948的BISTC / INTB_IN,通过lvds传输给921, 921通过INTB引脚接到到主机。

如何将948的BISTC / INTB_IN信号透传给921(948的信号发生变化,921也会发生信号变化)?

948的硬件连接: