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ads8881

Other Parts Discussed in Thread: ADS8881

您好!我在测试ADS8881时,按照下面这个思路进行模拟SPI,选择三线无繁忙模式,将DIN直接拉高。当CONVST有高点平变到低电平时,进入中断进行读取转换数据,但是一直无法进入中断。经查电路,发现送入ADS中的各种信号(REF、差分信号)无误。请问可能是什么原因导致的