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关于心电转换数据的问题

Other Parts Discussed in Thread: ADS1298

TI的老师,您好

     现有如下问题

1、如果SPI时钟不能保证数据在tdr内完全传出,那么这是从SPI口出的数据是否都为0

2、tdr之前问过,ti专家说就是采样周期。如果是这样,那么我设定ADS1298采样率为250sps,这样SPI时钟大约为60k就够了,但此时如果SPI的时钟少于110k,从sPI口输出的数据还是0,这是为什么。 确定设置采样率的寄存器已经成功写入0x46