在使用28PIN的ADS1248芯片时,25脚DRDY引脚,在什么情况下会一直不出现低电平,目前有出现过因为等待DRDY引脚拉低电平,导致单片机陷入死循环的问题,问题是极低概率出现,下图是ADS1248的电路图,是按照规格书的建议连接的,请帮忙给出一些排查问题的建议,非常感谢~
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在使用28PIN的ADS1248芯片时,25脚DRDY引脚,在什么情况下会一直不出现低电平,目前有出现过因为等待DRDY引脚拉低电平,导致单片机陷入死循环的问题,问题是极低概率出现,下图是ADS1248的电路图,是按照规格书的建议连接的,请帮忙给出一些排查问题的建议,非常感谢~
Hi Jianping Tian,
Can you please post your question in English, as this is the English e2e forum?
We also have a Chinese e2e forum if you would prefer to post there: https://e2echina.ti.com/
-Bryan