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.
6726B 的spi从模式，接收数据是怎么个过程，如何判断有数据
你用的是哪种模式？3-pin,4-pin还是5-pin的SPI？
以4-Pin With Chip Select Option为例，主机发出时钟并把SPIx_SCS管脚拉低后，从机检测到SCS管脚拉低后，在时钟上升沿或下降沿采SPIx_SIMO管脚开始接收数据。是否有看过SPI文档？http://www.ti.com/lit/ug/spru718b/spru718b.pdf
