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ADS7950初始化配置问题

Other Parts Discussed in Thread: ADS7950

 ADS7950一开始配置为AUTO-2模式量程5V :ADC_TX[0]=0x38;  ADC_TX[1]=0X40;

然后配置4个序列依次转换 ADC_TX[0]=0x90; ADC_TX[1]=0XC0;

最后发送ADC_TX[0]=0x00; ADC_TX[1]=0X00;读取数据;

一开始四个通道读取数据正常,过了一会读取数据都是0xfff;