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TDC7200: 关于tdc1000和tdc7200组合测液位出现的问题

Part Number: TDC7200

7200 示波器start信号和stop信号都有

但是trig信号捕捉不到?

rx1 rx2是两个正弦函数的波形是对的吗?

intb一直处于高电平