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ADS9234R: ready信号一直为高

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Prodigy 10 points
Part Number: ADS9234R

请问在刚上电时，ready为低电平，当把CS拉高之后ready一直为高电平是什么原因？

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    TI__Guru**** 295050 points

    您好，根据您的描述，上电完成后ready是什么电平？

    正常的话，上电完成稳定之后，也就是PD/RST由低到高变化后，READY应该是高电平。0.9ms之后，READY变为低电平，表示器件已经初始化完成并且可以开始配置寄存器。

    先确认上电是否这个过程？