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2812的SPI主控制器模式时，是不是发送数据之前STE自动拉低，数据发送完成自动拉高啊
是的会自动，可以看一下2812的SPI Reference Guide中的末尾的SPI Example Waveforms时序图。
好的，谢谢，我看过SPI Reference Guide，明白了
