尊敬的TI工程师你好:
最近开发ADS1299遇到一些问题,在我发送完START命令后,drdy引脚工作不正常,拿示波器观察一直处于低电平,但是拿逻辑分析又存在反转,但是反转不正常。



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您好,
您是使用 START command 启动AD转换的是吗?那么START pin 是否拉低了?

您是按照 datasheet Figure 67流程图初始化的ADC吗?
下面FAQ中的调试步骤希望对您有帮助:
[FAQ] Common Questions for TI's ADS129x Family of Bio-Potential ADCs

如果您确认START命令发送正确、发送时序正确,那么建议按照下面FAQ检查您的设备: