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ads1258问题求解

Other Parts Discussed in Thread: ADS1258

调试ADs1258遇到几个问题:

1、调试ADS1258如何实现用定时器控制精确地时间采样,好像自动扫描方式都是确定的采样频率?

2、如果想用固定通道采样模式,是单端输入,如何实现通道选择呀?

  • 1. 控制采样时间点的话,可以通过控制start脚信号来实现;自动扫描的话,只能控制第一个采样点时间;

    2. 从datasheet描述以及table19看,好像固定模式的话,只能采用差分输入模式的;