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IWR6843AOPEVM: 硬件触发

Part Number: IWR6843AOPEVM
Other Parts Discussed in Thread: MMWAVEICBOOST

你好,我想进行iwr6843aopevm的硬件触发,我有mmwaveicboost和dca1000,mmwaveicboost的r346电阻已经移除,r348电阻加了一个0欧姆的,我也已经了解到J5的PIN 9是SYNC_IN,我想知道接下来我还需要什么硬件,我并不是很清楚怎么使用PIN 9来输入上升沿,希望能给我一点指导,谢谢