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LAUNCHXL-CC1310: SPI MODE2 CS信号无法一直拉低

yuan jiadong
Part Number: LAUNCHXL-CC1310
Other Parts Discussed in Thread: CC1310

当我将SPI MODE设置为SPI_POL1_PHA0时，CS信号在发完每一个字节后都会拉高一段时间。将CPHA设置为1时，CS可以在整个过程中一直拉低。有没有办法在CPHA=0的情况下让CS在整个过程中保持拉低？