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ADS1274外部供电正常,但是检测不到DRDY端口的数据转换完成信号

Other Parts Discussed in Thread: ADS1274

ADS1274外部供电正常,但是检测不到DRDY端口的数据转换完成信号,故也没有数据输出。

外部接CLK信号,也检测不到DRDY完成信号。

配置为SPI模式,和DSP28335连接。