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DS90UB948-Q1: DS90UB948-Q1通信异常

Part Number: DS90UB948-Q1

采用941和948通信,屏幕显示正常。

测试间接15KV放电岛耦合HSD信号线放电,导致屏幕显示正常但是触屏失效。

经排查触屏反馈状态正常,但反馈状态941端未收到。目前结论是:941和948之间的视频信号通信正常,画面也正常显示。但之间I2C信号无法通信,941无法读取948任何状态。

请问有什么解决方法及思路