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tms570ls0914的spi配置问题

Other Parts Discussed in Thread: TMS570LS0914

大家好,我在配置tms570ls0914的spi通信,想要配置时钟极性和时钟相位,想设置为01模式。我在hal中配置好了,而且检查过mibspi.c的源码,确实是01模式,但是我在测试spi的clk波形发现clk信号在不传输的时候是高电平,波形有点像是11模式的波形,想请教一下大家这种问题会是什么原因造成的。