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我们配置ADS1293的ODR频率为1280hz，如下图：
但实际测试ODR的频率是1273hz，如下图：
请教大神，为啥频率会相差7hz？
虽然说, ADS1293的ODR 频率总会有点误差, 但这里你用示波器的计算值来验证, 手段是不合适的, 示波器的计算精度比较差, 完全不足以用来验证
