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ads1120读取的数值是oxff

Other Parts Discussed in Thread: ADS1220

你好,我根据ti官方的ads1220的例程,改的程序,发送的spi信号都是对的,接受信号,通过示波器观察波形,是一条直线,都是高电平,而且DRDY信号一直是高,请问我改如何分析。谢谢