This thread has been locked.
If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.
我用2812的spi控制ADS1298R，spi时钟模式设置为CPOL=,0，CPHA=1，但为什么这样dsp发送的数据在示波器上显示左移了一位，这样的话，ADS1298R的寄存器一直写不进去
你2812里是怎么配置的？有没有和1298R的CPOL/CPHA匹配啊？1298的配置是SCLK空闲时为0，时钟下降沿采样；你DSP里配置的如果是SCLK空闲为0，时钟上升沿采样，那还真有可能左移。
